18671240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66683}}^1$

素因数の和:66701

約数の個数: 32

約数和(自身を含む): 48012480

約数和(自身を除く): 29341240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66683, 133366, 266732, 333415, 466781, 533464, 666830, 933562, 1333660, 1867124, 2333905, 2667320, 3734248, 4667810, 9335620, 18671240]

約数ペア:

[(1, 18671240), (2, 9335620), (4, 4667810), (5, 3734248), (7, 2667320), (8, 2333905), (10, 1867124), (14, 1333660), (20, 933562), (28, 666830), (35, 533464), (40, 466781), (56, 333415), (70, 266732), (140, 133366), (280, 66683)]