19748152

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{145207}}^1$

素因数の和:145230

約数の個数: 16

約数和(自身を含む): 39206160

約数和(自身を除く): 19458008

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 145207, 290414, 580828, 1161656, 2468519, 4937038, 9874076, 19748152]

約数ペア:

[(1, 19748152), (2, 9874076), (4, 4937038), (8, 2468519), (17, 1161656), (34, 580828), (68, 290414), (136, 145207)]