19817760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 192

約数和(自身を含む): 68584320

約数和(自身を除く): 48766560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 41, 48, 53, 57, 60, 76, 80, 82, 95, 96, 106, 114, 120, 123, 152, 159, 160, 164, 190, 205, 212, 228, 240, 246, 265, 285, 304, 318, 328, 380, 410, 424, 456, 480, 492, 530, 570, 608, 615, 636, 656, 760, 779, 795, 820, 848, 912, 984, 1007, 1060, 1140, 1230, 1272, 1312, 1520, 1558, 1590, 1640, 1696, 1824, 1968, 2014, 2120, 2173, 2280, 2337, 2460, 2544, 3021, 3040, 3116, 3180, 3280, 3895, 3936, 4028, 4240, 4346, 4560, 4674, 4920, 5035, 5088, 6042, 6232, 6360, 6519, 6560, 7790, 8056, 8480, 8692, 9120, 9348, 9840, 10070, 10865, 11685, 12084, 12464, 12720, 13038, 15105, 15580, 16112, 17384, 18696, 19680, 20140, 21730, 23370, 24168, 24928, 25440, 26076, 30210, 31160, 32224, 32595, 34768, 37392, 40280, 41287, 43460, 46740, 48336, 52152, 60420, 62320, 65190, 69536, 74784, 80560, 82574, 86920, 93480, 96672, 104304, 120840, 123861, 124640, 130380, 161120, 165148, 173840, 186960, 206435, 208608, 241680, 247722, 260760, 330296, 347680, 373920, 412870, 483360, 495444, 521520, 619305, 660592, 825740, 990888, 1043040, 1238610, 1321184, 1651480, 1981776, 2477220, 3302960, 3963552, 4954440, 6605920, 9908880, 19817760]

約数ペア:

[(1, 19817760), (2, 9908880), (3, 6605920), (4, 4954440), (5, 3963552), (6, 3302960), (8, 2477220), (10, 1981776), (12, 1651480), (15, 1321184), (16, 1238610), (19, 1043040), (20, 990888), (24, 825740), (30, 660592), (32, 619305), (38, 521520), (40, 495444), (41, 483360), (48, 412870), (53, 373920), (57, 347680), (60, 330296), (76, 260760), (80, 247722), (82, 241680), (95, 208608), (96, 206435), (106, 186960), (114, 173840), (120, 165148), (123, 161120), (152, 130380), (159, 124640), (160, 123861), (164, 120840), (190, 104304), (205, 96672), (212, 93480), (228, 86920), (240, 82574), (246, 80560), (265, 74784), (285, 69536), (304, 65190), (318, 62320), (328, 60420), (380, 52152), (410, 48336), (424, 46740), (456, 43460), (480, 41287), (492, 40280), (530, 37392), (570, 34768), (608, 32595), (615, 32224), (636, 31160), (656, 30210), (760, 26076), (779, 25440), (795, 24928), (820, 24168), (848, 23370), (912, 21730), (984, 20140), (1007, 19680), (1060, 18696), (1140, 17384), (1230, 16112), (1272, 15580), (1312, 15105), (1520, 13038), (1558, 12720), (1590, 12464), (1640, 12084), (1696, 11685), (1824, 10865), (1968, 10070), (2014, 9840), (2120, 9348), (2173, 9120), (2280, 8692), (2337, 8480), (2460, 8056), (2544, 7790), (3021, 6560), (3040, 6519), (3116, 6360), (3180, 6232), (3280, 6042), (3895, 5088), (3936, 5035), (4028, 4920), (4240, 4674), (4346, 4560)]