18688651910

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{8857181}}^1$

素因数の和:8857399

約数の個数: 16

約数和(自身を含む): 33799006512

約数和(自身を除く): 15110354602

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 8857181, 17714362, 44285905, 88571810, 1868865191, 3737730382, 9344325955, 18688651910]

約数ペア:

[(1, 18688651910), (2, 9344325955), (5, 3737730382), (10, 1868865191), (211, 88571810), (422, 44285905), (1055, 17714362), (2110, 8857181)]