18390840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11789}}^1$

素因数の和:11816

約数の個数: 64

約数和(自身を含む): 59421600

約数和(自身を除く): 41030760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 11789, 23578, 35367, 47156, 58945, 70734, 94312, 117890, 141468, 153257, 176835, 235780, 282936, 306514, 353670, 459771, 471560, 613028, 707340, 766285, 919542, 1226056, 1414680, 1532570, 1839084, 2298855, 3065140, 3678168, 4597710, 6130280, 9195420, 18390840]

約数ペア:

[(1, 18390840), (2, 9195420), (3, 6130280), (4, 4597710), (5, 3678168), (6, 3065140), (8, 2298855), (10, 1839084), (12, 1532570), (13, 1414680), (15, 1226056), (20, 919542), (24, 766285), (26, 707340), (30, 613028), (39, 471560), (40, 459771), (52, 353670), (60, 306514), (65, 282936), (78, 235780), (104, 176835), (120, 153257), (130, 141468), (156, 117890), (195, 94312), (260, 70734), (312, 58945), (390, 47156), (520, 35367), (780, 23578), (1560, 11789)]