18919934

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{45263}}^1$

素因数の和:45295

約数の個数: 16

約数和(自身を含む): 32590080

約数和(自身を除く): 13670146

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 45263, 90526, 497893, 859997, 995786, 1719994, 9459967, 18919934]

約数ペア:

[(1, 18919934), (2, 9459967), (11, 1719994), (19, 995786), (22, 859997), (38, 497893), (209, 90526), (418, 45263)]