18910966

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{4651}}^1$

素因数の和:4779

約数の個数: 16

約数和(自身を含む): 30144960

約数和(自身を除く): 11233994

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 4651, 9302, 88369, 176738, 497657, 995314, 9455483, 18910966]

約数ペア:

[(1, 18910966), (2, 9455483), (19, 995314), (38, 497657), (107, 176738), (214, 88369), (2033, 9302), (4066, 4651)]