18751268

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2659}}^1$

素因数の和:2747

約数の個数: 24

約数和(自身を含む): 34409760

約数和(自身を除く): 15658492

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 1763, 2659, 3526, 5318, 7052, 10636, 109019, 114337, 218038, 228674, 436076, 457348, 4687817, 9375634, 18751268]

約数ペア:

[(1, 18751268), (2, 9375634), (4, 4687817), (41, 457348), (43, 436076), (82, 228674), (86, 218038), (164, 114337), (172, 109019), (1763, 10636), (2659, 7052), (3526, 5318)]