18027399

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 27621288

約数和(自身を除く): 9593889

約数列:

[1, 3, 13, 31, 37, 39, 93, 111, 169, 403, 481, 507, 961, 1147, 1209, 1443, 2883, 3441, 5239, 6253, 12493, 14911, 15717, 18759, 35557, 37479, 44733, 106671, 162409, 193843, 462241, 487227, 581529, 1386723, 6009133, 18027399]

約数ペア:

[(1, 18027399), (3, 6009133), (13, 1386723), (31, 581529), (37, 487227), (39, 462241), (93, 193843), (111, 162409), (169, 106671), (403, 44733), (481, 37479), (507, 35557), (961, 18759), (1147, 15717), (1209, 14911), (1443, 12493), (2883, 6253), (3441, 5239)]