19721326

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{2749}}^1$

素因数の和:2979

約数の個数: 16

約数和(自身を含む): 31482000

約数和(自身を除く): 11760674

約数列:

[1, 2, 17, 34, 211, 422, 2749, 3587, 5498, 7174, 46733, 93466, 580039, 1160078, 9860663, 19721326]

約数ペア:

[(1, 19721326), (2, 9860663), (17, 1160078), (34, 580039), (211, 93466), (422, 46733), (2749, 7174), (3587, 5498)]