18514680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{557}}^1$

素因数の和:848

約数の個数: 64

約数和(自身を含む): 55844640

約数和(自身を除く): 37329960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 277, 554, 557, 831, 1108, 1114, 1385, 1662, 1671, 2216, 2228, 2770, 2785, 3324, 3342, 4155, 4456, 5540, 5570, 6648, 6684, 8310, 8355, 11080, 11140, 13368, 16620, 16710, 22280, 33240, 33420, 66840, 154289, 308578, 462867, 617156, 771445, 925734, 1234312, 1542890, 1851468, 2314335, 3085780, 3702936, 4628670, 6171560, 9257340, 18514680]

約数ペア:

[(1, 18514680), (2, 9257340), (3, 6171560), (4, 4628670), (5, 3702936), (6, 3085780), (8, 2314335), (10, 1851468), (12, 1542890), (15, 1234312), (20, 925734), (24, 771445), (30, 617156), (40, 462867), (60, 308578), (120, 154289), (277, 66840), (554, 33420), (557, 33240), (831, 22280), (1108, 16710), (1114, 16620), (1385, 13368), (1662, 11140), (1671, 11080), (2216, 8355), (2228, 8310), (2770, 6684), (2785, 6648), (3324, 5570), (3342, 5540), (4155, 4456)]