18511415

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 25341840

約数和(自身を除く): 6830425

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 1153, 1235, 3211, 5765, 14989, 16055, 21907, 74945, 109535, 194857, 284791, 974285, 1423955, 3702283, 18511415]

約数ペア:

[(1, 18511415), (5, 3702283), (13, 1423955), (19, 974285), (65, 284791), (95, 194857), (169, 109535), (247, 74945), (845, 21907), (1153, 16055), (1235, 14989), (3211, 5765)]