19943690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11801}}^1$

素因数の和:11834

約数の個数: 24

約数和(自身を含む): 38875788

約数和(自身を除く): 18932098

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11801, 23602, 59005, 118010, 153413, 306826, 767065, 1534130, 1994369, 3988738, 9971845, 19943690]

約数ペア:

[(1, 19943690), (2, 9971845), (5, 3988738), (10, 1994369), (13, 1534130), (26, 767065), (65, 306826), (130, 153413), (169, 118010), (338, 59005), (845, 23602), (1690, 11801)]