109172005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{18839}}^1$

素因数の和:18924

約数の個数: 16

約数和(自身を含む): 140169600

約数和(自身を除く): 30997595

約数列:

[1, 5, 19, 61, 95, 305, 1159, 5795, 18839, 94195, 357941, 1149179, 1789705, 5745895, 21834401, 109172005]

約数ペア:

[(1, 109172005), (5, 21834401), (19, 5745895), (61, 1789705), (95, 1149179), (305, 357941), (1159, 94195), (5795, 18839)]