18961336

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{757}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 37111680

約数和(自身を除く): 18150344

約数列:

[1, 2, 4, 8, 31, 62, 101, 124, 202, 248, 404, 757, 808, 1514, 3028, 3131, 6056, 6262, 12524, 23467, 25048, 46934, 76457, 93868, 152914, 187736, 305828, 611656, 2370167, 4740334, 9480668, 18961336]

約数ペア:

[(1, 18961336), (2, 9480668), (4, 4740334), (8, 2370167), (31, 611656), (62, 305828), (101, 187736), (124, 152914), (202, 93868), (248, 76457), (404, 46934), (757, 25048), (808, 23467), (1514, 12524), (3028, 6262), (3131, 6056)]