18658666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1999}}^1$

素因数の和:2373

約数の個数: 16

約数和(自身を含む): 30240000

約数和(自身を除く): 11581334

約数列:

[1, 2, 13, 26, 359, 718, 1999, 3998, 4667, 9334, 25987, 51974, 717641, 1435282, 9329333, 18658666]

約数ペア:

[(1, 18658666), (2, 9329333), (13, 1435282), (26, 717641), (359, 51974), (718, 25987), (1999, 9334), (3998, 4667)]