18563790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:937

約数の個数: 64

約数和(自身を含む): 51448320

約数和(自身を除く): 32884530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 109, 210, 218, 327, 545, 654, 763, 811, 1090, 1526, 1622, 1635, 2289, 2433, 3270, 3815, 4055, 4578, 4866, 5677, 7630, 8110, 11354, 11445, 12165, 17031, 22890, 24330, 28385, 34062, 56770, 85155, 88399, 170310, 176798, 265197, 441995, 530394, 618793, 883990, 1237586, 1325985, 1856379, 2651970, 3093965, 3712758, 6187930, 9281895, 18563790]

約数ペア:

[(1, 18563790), (2, 9281895), (3, 6187930), (5, 3712758), (6, 3093965), (7, 2651970), (10, 1856379), (14, 1325985), (15, 1237586), (21, 883990), (30, 618793), (35, 530394), (42, 441995), (70, 265197), (105, 176798), (109, 170310), (210, 88399), (218, 85155), (327, 56770), (545, 34062), (654, 28385), (763, 24330), (811, 22890), (1090, 17031), (1526, 12165), (1622, 11445), (1635, 11354), (2289, 8110), (2433, 7630), (3270, 5677), (3815, 4866), (4055, 4578)]