18875129

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5059}}^1$

素因数の和:5120

約数の個数: 16

約数和(自身を含む): 23802240

約数和(自身を除く): 4927111

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5059, 35413, 65767, 207419, 460369, 1451933, 2696447, 18875129]

約数ペア:

[(1, 18875129), (7, 2696447), (13, 1451933), (41, 460369), (91, 207419), (287, 65767), (533, 35413), (3731, 5059)]