11991978

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{21491}}^1$

素因数の和:21530

約数の個数: 24

約数和(自身を含む): 26822016

約数和(自身を除く): 14830038

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 21491, 42982, 64473, 128946, 193419, 386838, 666221, 1332442, 1998663, 3997326, 5995989, 11991978]

約数ペア:

[(1, 11991978), (2, 5995989), (3, 3997326), (6, 1998663), (9, 1332442), (18, 666221), (31, 386838), (62, 193419), (93, 128946), (186, 64473), (279, 42982), (558, 21491)]