18741060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8009}}^1$

素因数の和:8037

約数の個数: 72

約数和(自身を含む): 61228440

約数和(自身を除く): 42487380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8009, 16018, 24027, 32036, 40045, 48054, 72081, 80090, 96108, 104117, 120135, 144162, 160180, 208234, 240270, 288324, 312351, 360405, 416468, 480540, 520585, 624702, 720810, 937053, 1041170, 1249404, 1441620, 1561755, 1874106, 2082340, 3123510, 3748212, 4685265, 6247020, 9370530, 18741060]

約数ペア:

[(1, 18741060), (2, 9370530), (3, 6247020), (4, 4685265), (5, 3748212), (6, 3123510), (9, 2082340), (10, 1874106), (12, 1561755), (13, 1441620), (15, 1249404), (18, 1041170), (20, 937053), (26, 720810), (30, 624702), (36, 520585), (39, 480540), (45, 416468), (52, 360405), (60, 312351), (65, 288324), (78, 240270), (90, 208234), (117, 160180), (130, 144162), (156, 120135), (180, 104117), (195, 96108), (234, 80090), (260, 72081), (390, 48054), (468, 40045), (585, 32036), (780, 24027), (1170, 16018), (2340, 8009)]