12270978

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{21991}}^1$

素因数の和:22030

約数の個数: 24

約数和(自身を含む): 27446016

約数和(自身を除く): 15175038

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 21991, 43982, 65973, 131946, 197919, 395838, 681721, 1363442, 2045163, 4090326, 6135489, 12270978]

約数ペア:

[(1, 12270978), (2, 6135489), (3, 4090326), (6, 2045163), (9, 1363442), (18, 681721), (31, 395838), (62, 197919), (93, 131946), (186, 65973), (279, 43982), (558, 21991)]