19879781904

素因数分解:

$2^4\times 3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:654

約数の個数: 240

約数和(自身を含む): 58287340800

約数和(自身を除く): 38407558896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 59, 61, 72, 89, 118, 122, 144, 177, 178, 183, 236, 244, 267, 354, 356, 366, 431, 472, 488, 531, 534, 549, 708, 712, 732, 801, 862, 944, 976, 1062, 1068, 1098, 1293, 1416, 1424, 1464, 1602, 1724, 2124, 2136, 2196, 2586, 2832, 2928, 3204, 3448, 3599, 3879, 4248, 4272, 4392, 5172, 5251, 5429, 6408, 6896, 7198, 7758, 8496, 8784, 10344, 10502, 10797, 10858, 12816, 14396, 15516, 15753, 16287, 20688, 21004, 21594, 21716, 25429, 26291, 28792, 31032, 31506, 32391, 32574, 38359, 42008, 43188, 43432, 47259, 48861, 50858, 52582, 57584, 62064, 63012, 64782, 65148, 76287, 76718, 78873, 84016, 86376, 86864, 94518, 97722, 101716, 105164, 115077, 126024, 129564, 130296, 152574, 153436, 157746, 172752, 189036, 195444, 203432, 210328, 228861, 230154, 236619, 252048, 259128, 260592, 305148, 306872, 315492, 320311, 345231, 378072, 390888, 406864, 420656, 457722, 460308, 473238, 518256, 610296, 613744, 630984, 640622, 690462, 756144, 781776, 915444, 920616, 946476, 960933, 1220592, 1261968, 1281244, 1380924, 1551169, 1830888, 1841232, 1892952, 1921866, 2263181, 2339899, 2562488, 2761848, 2882799, 3102338, 3661776, 3785904, 3843732, 4526362, 4653507, 4679798, 5124976, 5523696, 5765598, 6204676, 6789543, 7019697, 7687464, 9052724, 9307014, 9359596, 11531196, 12409352, 13579086, 13960521, 14039394, 15374928, 18105448, 18614028, 18719192, 20368629, 21059091, 23062392, 24818704, 27158172, 27921042, 28078788, 36210896, 37228056, 37438384, 40737258, 42118182, 46124784, 54316344, 55842084, 56157576, 74456112, 81474516, 84236364, 108632688, 111684168, 112315152, 138054041, 162949032, 168472728, 223368336, 276108082, 325898064, 336945456, 414162123, 552216164, 828324246, 1104432328, 1242486369, 1656648492, 2208864656, 2484972738, 3313296984, 4969945476, 6626593968, 9939890952, 19879781904]

約数ペア:

[(1, 19879781904), (2, 9939890952), (3, 6626593968), (4, 4969945476), (6, 3313296984), (8, 2484972738), (9, 2208864656), (12, 1656648492), (16, 1242486369), (18, 1104432328), (24, 828324246), (36, 552216164), (48, 414162123), (59, 336945456), (61, 325898064), (72, 276108082), (89, 223368336), (118, 168472728), (122, 162949032), (144, 138054041), (177, 112315152), (178, 111684168), (183, 108632688), (236, 84236364), (244, 81474516), (267, 74456112), (354, 56157576), (356, 55842084), (366, 54316344), (431, 46124784), (472, 42118182), (488, 40737258), (531, 37438384), (534, 37228056), (549, 36210896), (708, 28078788), (712, 27921042), (732, 27158172), (801, 24818704), (862, 23062392), (944, 21059091), (976, 20368629), (1062, 18719192), (1068, 18614028), (1098, 18105448), (1293, 15374928), (1416, 14039394), (1424, 13960521), (1464, 13579086), (1602, 12409352), (1724, 11531196), (2124, 9359596), (2136, 9307014), (2196, 9052724), (2586, 7687464), (2832, 7019697), (2928, 6789543), (3204, 6204676), (3448, 5765598), (3599, 5523696), (3879, 5124976), (4248, 4679798), (4272, 4653507), (4392, 4526362), (5172, 3843732), (5251, 3785904), (5429, 3661776), (6408, 3102338), (6896, 2882799), (7198, 2761848), (7758, 2562488), (8496, 2339899), (8784, 2263181), (10344, 1921866), (10502, 1892952), (10797, 1841232), (10858, 1830888), (12816, 1551169), (14396, 1380924), (15516, 1281244), (15753, 1261968), (16287, 1220592), (20688, 960933), (21004, 946476), (21594, 920616), (21716, 915444), (25429, 781776), (26291, 756144), (28792, 690462), (31032, 640622), (31506, 630984), (32391, 613744), (32574, 610296), (38359, 518256), (42008, 473238), (43188, 460308), (43432, 457722), (47259, 420656), (48861, 406864), (50858, 390888), (52582, 378072), (57584, 345231), (62064, 320311), (63012, 315492), (64782, 306872), (65148, 305148), (76287, 260592), (76718, 259128), (78873, 252048), (84016, 236619), (86376, 230154), (86864, 228861), (94518, 210328), (97722, 203432), (101716, 195444), (105164, 189036), (115077, 172752), (126024, 157746), (129564, 153436), (130296, 152574)]