20187958641

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{2172851}}^1$

素因数の和:2173036

約数の個数: 16

約数和(自身を含む): 28507818240

約数和(自身を除く): 8319859599

約数列:

[1, 3, 19, 57, 163, 489, 3097, 9291, 2172851, 6518553, 41284169, 123852507, 354174713, 1062524139, 6729319547, 20187958641]

約数ペア:

[(1, 20187958641), (3, 6729319547), (19, 1062524139), (57, 354174713), (163, 123852507), (489, 41284169), (3097, 6518553), (9291, 2172851)]