19551207

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 30566592

約数和(自身を除く): 11015385

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 797, 1443, 1887, 2391, 8177, 10361, 13549, 24531, 29489, 31083, 40647, 88467, 176137, 383357, 501313, 528411, 1150071, 1503939, 6517069, 19551207]

約数ペア:

[(1, 19551207), (3, 6517069), (13, 1503939), (17, 1150071), (37, 528411), (39, 501313), (51, 383357), (111, 176137), (221, 88467), (481, 40647), (629, 31083), (663, 29489), (797, 24531), (1443, 13549), (1887, 10361), (2391, 8177)]