18815238

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{80407}}^1$

素因数の和:80428

約数の個数: 24

約数和(自身を含む): 43902768

約数和(自身を除く): 25087530

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 80407, 160814, 241221, 482442, 723663, 1045291, 1447326, 2090582, 3135873, 6271746, 9407619, 18815238]

約数ペア:

[(1, 18815238), (2, 9407619), (3, 6271746), (6, 3135873), (9, 2090582), (13, 1447326), (18, 1045291), (26, 723663), (39, 482442), (78, 241221), (117, 160814), (234, 80407)]