18237380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130267}}^1$

素因数の和:130283

約数の個数: 24

約数和(自身を含む): 43770048

約数和(自身を除く): 25532668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130267, 260534, 521068, 651335, 911869, 1302670, 1823738, 2605340, 3647476, 4559345, 9118690, 18237380]

約数ペア:

[(1, 18237380), (2, 9118690), (4, 4559345), (5, 3647476), (7, 2605340), (10, 1823738), (14, 1302670), (20, 911869), (28, 651335), (35, 521068), (70, 260534), (140, 130267)]