18518564

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 33384960

約数和(自身を除く): 14866396

約数列:

[1, 2, 4, 47, 94, 137, 188, 274, 548, 719, 1438, 2876, 6439, 12878, 25756, 33793, 67586, 98503, 135172, 197006, 394012, 4629641, 9259282, 18518564]

約数ペア:

[(1, 18518564), (2, 9259282), (4, 4629641), (47, 394012), (94, 197006), (137, 135172), (188, 98503), (274, 67586), (548, 33793), (719, 25756), (1438, 12878), (2876, 6439)]