18236456

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3659}}^1$

素因数の和:3761

約数の個数: 32

約数和(自身を含む): 39528000

約数和(自身を除く): 21291544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 3659, 4984, 7318, 14636, 25613, 29272, 51226, 102452, 204904, 325651, 651302, 1302604, 2279557, 2605208, 4559114, 9118228, 18236456]

約数ペア:

[(1, 18236456), (2, 9118228), (4, 4559114), (7, 2605208), (8, 2279557), (14, 1302604), (28, 651302), (56, 325651), (89, 204904), (178, 102452), (356, 51226), (623, 29272), (712, 25613), (1246, 14636), (2492, 7318), (3659, 4984)]