18077805

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12959}}^1$

素因数の和:13001

約数の個数: 24

約数和(自身を含む): 32348160

約数和(自身を除く): 14270355

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 12959, 38877, 64795, 116631, 194385, 401729, 583155, 1205187, 2008645, 3615561, 6025935, 18077805]

約数ペア:

[(1, 18077805), (3, 6025935), (5, 3615561), (9, 2008645), (15, 1205187), (31, 583155), (45, 401729), (93, 194385), (155, 116631), (279, 64795), (465, 38877), (1395, 12959)]