19611189

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5407}}^1$

素因数の和:5457

約数の個数: 24

約数和(自身を含む): 31496192

約数和(自身を除く): 11885003

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5407, 16221, 48663, 70291, 167617, 210873, 502851, 632619, 1508553, 2179021, 6537063, 19611189]

約数ペア:

[(1, 19611189), (3, 6537063), (9, 2179021), (13, 1508553), (31, 632619), (39, 502851), (93, 210873), (117, 167617), (279, 70291), (403, 48663), (1209, 16221), (3627, 5407)]