18491031

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 29792000

約数和(自身を除く): 11300969

約数列:

[1, 3, 9, 13, 27, 39, 117, 139, 351, 379, 417, 1137, 1251, 1807, 3411, 3753, 4927, 5421, 10233, 14781, 16263, 44343, 48789, 52681, 133029, 158043, 474129, 684853, 1422387, 2054559, 6163677, 18491031]

約数ペア:

[(1, 18491031), (3, 6163677), (9, 2054559), (13, 1422387), (27, 684853), (39, 474129), (117, 158043), (139, 133029), (351, 52681), (379, 48789), (417, 44343), (1137, 16263), (1251, 14781), (1807, 10233), (3411, 5421), (3753, 4927)]