18139984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59671}}^1$

素因数の和:59698

約数の個数: 20

約数和(自身を含む): 36996640

約数和(自身を除く): 18856656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 59671, 119342, 238684, 477368, 954736, 1133749, 2267498, 4534996, 9069992, 18139984]

約数ペア:

[(1, 18139984), (2, 9069992), (4, 4534996), (8, 2267498), (16, 1133749), (19, 954736), (38, 477368), (76, 238684), (152, 119342), (304, 59671)]