18191718

素因数分解:

$2^1\times 3^2\times {\mathrm{821}}^1\times {\mathrm{1231}}^1$

素因数の和:2060

約数の個数: 24

約数和(自身を含む): 39495456

約数和(自身を除く): 21303738

約数列:

[1, 2, 3, 6, 9, 18, 821, 1231, 1642, 2462, 2463, 3693, 4926, 7386, 7389, 11079, 14778, 22158, 1010651, 2021302, 3031953, 6063906, 9095859, 18191718]

約数ペア:

[(1, 18191718), (2, 9095859), (3, 6063906), (6, 3031953), (9, 2021302), (18, 1010651), (821, 22158), (1231, 14778), (1642, 11079), (2462, 7389), (2463, 7386), (3693, 4926)]