19520138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{2557}}^1$

素因数の和:2917

約数の個数: 16

約数和(自身を含む): 32046624

約数和(自身を除く): 12526486

約数列:

[1, 2, 11, 22, 347, 694, 2557, 3817, 5114, 7634, 28127, 56254, 887279, 1774558, 9760069, 19520138]

約数ペア:

[(1, 19520138), (2, 9760069), (11, 1774558), (22, 887279), (347, 56254), (694, 28127), (2557, 7634), (3817, 5114)]