81358418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{18947}}^1$

素因数の和:19081

約数の個数: 16

約数和(自身を含む): 129604320

約数和(自身を除く): 48245902

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 18947, 37894, 359993, 719986, 2141011, 4282022, 40679209, 81358418]

約数ペア:

[(1, 81358418), (2, 40679209), (19, 4282022), (38, 2141011), (113, 719986), (226, 359993), (2147, 37894), (4294, 18947)]