18876398

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{2131}}^1$

素因数の和:2279

約数の個数: 16

約数和(自身を含む): 29268096

約数和(自身を除く): 10391698

約数列:

[1, 2, 43, 86, 103, 206, 2131, 4262, 4429, 8858, 91633, 183266, 219493, 438986, 9438199, 18876398]

約数ペア:

[(1, 18876398), (2, 9438199), (43, 438986), (86, 219493), (103, 183266), (206, 91633), (2131, 8858), (4262, 4429)]