18880090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{46049}}^1$

素因数の和:46097

約数の個数: 16

約数和(自身を含む): 34813800

約数和(自身を除く): 15933710

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 46049, 92098, 230245, 460490, 1888009, 3776018, 9440045, 18880090]

約数ペア:

[(1, 18880090), (2, 9440045), (5, 3776018), (10, 1888009), (41, 460490), (82, 230245), (205, 92098), (410, 46049)]