18131738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1901}}^1$

素因数の和:2173

約数の個数: 16

約数和(自身を含む): 28758240

約数和(自身を除く): 10626502

約数列:

[1, 2, 19, 38, 251, 502, 1901, 3802, 4769, 9538, 36119, 72238, 477151, 954302, 9065869, 18131738]

約数ペア:

[(1, 18131738), (2, 9065869), (19, 954302), (38, 477151), (251, 72238), (502, 36119), (1901, 9538), (3802, 4769)]