18572890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 40186368

約数和(自身を除く): 21613478

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 71, 74, 101, 142, 185, 202, 259, 355, 370, 497, 505, 518, 707, 710, 994, 1010, 1295, 1414, 2485, 2590, 2627, 3535, 3737, 4970, 5254, 7070, 7171, 7474, 13135, 14342, 18389, 18685, 26159, 26270, 35855, 36778, 37370, 50197, 52318, 71710, 91945, 100394, 130795, 183890, 250985, 261590, 265327, 501970, 530654, 1326635, 1857289, 2653270, 3714578, 9286445, 18572890]

約数ペア:

[(1, 18572890), (2, 9286445), (5, 3714578), (7, 2653270), (10, 1857289), (14, 1326635), (35, 530654), (37, 501970), (70, 265327), (71, 261590), (74, 250985), (101, 183890), (142, 130795), (185, 100394), (202, 91945), (259, 71710), (355, 52318), (370, 50197), (497, 37370), (505, 36778), (518, 35855), (707, 26270), (710, 26159), (994, 18685), (1010, 18389), (1295, 14342), (1414, 13135), (2485, 7474), (2590, 7171), (2627, 7070), (3535, 5254), (3737, 4970)]