18485786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19541}}^1$

素因数の和:19597

約数の個数: 16

約数和(自身を含む): 30954528

約数和(自身を除く): 12468742

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19541, 39082, 214951, 429902, 840263, 1680526, 9242893, 18485786]

約数ペア:

[(1, 18485786), (2, 9242893), (11, 1680526), (22, 840263), (43, 429902), (86, 214951), (473, 39082), (946, 19541)]