19716848

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23251}}^1$

素因数の和:23312

約数の個数: 20

約数和(自身を含む): 38923848

約数和(自身を除く): 19207000

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23251, 46502, 93004, 186008, 372016, 1232303, 2464606, 4929212, 9858424, 19716848]

約数ペア:

[(1, 19716848), (2, 9858424), (4, 4929212), (8, 2464606), (16, 1232303), (53, 372016), (106, 186008), (212, 93004), (424, 46502), (848, 23251)]