18967320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 67392000

約数和(自身を除く): 48424680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 47, 57, 59, 60, 72, 76, 90, 94, 95, 114, 118, 120, 141, 152, 171, 177, 180, 188, 190, 228, 235, 236, 282, 285, 295, 342, 354, 360, 376, 380, 423, 456, 470, 472, 531, 564, 570, 590, 684, 705, 708, 760, 846, 855, 885, 893, 940, 1062, 1121, 1128, 1140, 1180, 1368, 1410, 1416, 1692, 1710, 1770, 1786, 1880, 2115, 2124, 2242, 2280, 2360, 2655, 2679, 2773, 2820, 3363, 3384, 3420, 3540, 3572, 4230, 4248, 4465, 4484, 5310, 5358, 5546, 5605, 5640, 6726, 6840, 7080, 7144, 8037, 8319, 8460, 8930, 8968, 10089, 10620, 10716, 11092, 11210, 13395, 13452, 13865, 16074, 16638, 16815, 16920, 17860, 20178, 21240, 21432, 22184, 22420, 24957, 26790, 26904, 27730, 32148, 33276, 33630, 35720, 40185, 40356, 41595, 44840, 49914, 50445, 52687, 53580, 55460, 64296, 66552, 67260, 80370, 80712, 83190, 99828, 100890, 105374, 107160, 110920, 124785, 134520, 158061, 160740, 166380, 199656, 201780, 210748, 249570, 263435, 316122, 321480, 332760, 403560, 421496, 474183, 499140, 526870, 632244, 790305, 948366, 998280, 1053740, 1264488, 1580610, 1896732, 2107480, 2370915, 3161220, 3793464, 4741830, 6322440, 9483660, 18967320]

約数ペア:

[(1, 18967320), (2, 9483660), (3, 6322440), (4, 4741830), (5, 3793464), (6, 3161220), (8, 2370915), (9, 2107480), (10, 1896732), (12, 1580610), (15, 1264488), (18, 1053740), (19, 998280), (20, 948366), (24, 790305), (30, 632244), (36, 526870), (38, 499140), (40, 474183), (45, 421496), (47, 403560), (57, 332760), (59, 321480), (60, 316122), (72, 263435), (76, 249570), (90, 210748), (94, 201780), (95, 199656), (114, 166380), (118, 160740), (120, 158061), (141, 134520), (152, 124785), (171, 110920), (177, 107160), (180, 105374), (188, 100890), (190, 99828), (228, 83190), (235, 80712), (236, 80370), (282, 67260), (285, 66552), (295, 64296), (342, 55460), (354, 53580), (360, 52687), (376, 50445), (380, 49914), (423, 44840), (456, 41595), (470, 40356), (472, 40185), (531, 35720), (564, 33630), (570, 33276), (590, 32148), (684, 27730), (705, 26904), (708, 26790), (760, 24957), (846, 22420), (855, 22184), (885, 21432), (893, 21240), (940, 20178), (1062, 17860), (1121, 16920), (1128, 16815), (1140, 16638), (1180, 16074), (1368, 13865), (1410, 13452), (1416, 13395), (1692, 11210), (1710, 11092), (1770, 10716), (1786, 10620), (1880, 10089), (2115, 8968), (2124, 8930), (2242, 8460), (2280, 8319), (2360, 8037), (2655, 7144), (2679, 7080), (2773, 6840), (2820, 6726), (3363, 5640), (3384, 5605), (3420, 5546), (3540, 5358), (3572, 5310), (4230, 4484), (4248, 4465)]