18914885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1427}}^1$

素因数の和:1684

約数の個数: 16

約数和(自身を含む): 24881472

約数和(自身を除く): 5966587

約数列:

[1, 5, 11, 55, 241, 1205, 1427, 2651, 7135, 13255, 15697, 78485, 343907, 1719535, 3782977, 18914885]

約数ペア:

[(1, 18914885), (5, 3782977), (11, 1719535), (55, 343907), (241, 78485), (1205, 15697), (1427, 13255), (2651, 7135)]