18906963

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2887}}^1$

素因数の和:2986

約数の個数: 16

約数和(自身を含む): 26338560

約数和(自身を除く): 7431597

約数列:

[1, 3, 37, 59, 111, 177, 2183, 2887, 6549, 8661, 106819, 170333, 320457, 510999, 6302321, 18906963]

約数ペア:

[(1, 18906963), (3, 6302321), (37, 510999), (59, 320457), (111, 170333), (177, 106819), (2183, 8661), (2887, 6549)]