18865946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{5261}}^1$

素因数の和:5437

約数の個数: 16

約数和(自身を含む): 31066848

約数和(自身を除く): 12200902

約数列:

[1, 2, 11, 22, 163, 326, 1793, 3586, 5261, 10522, 57871, 115742, 857543, 1715086, 9432973, 18865946]

約数ペア:

[(1, 18865946), (2, 9432973), (11, 1715086), (22, 857543), (163, 115742), (326, 57871), (1793, 10522), (3586, 5261)]