18291949

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2237}}^1$

素因数の和:2304

約数の個数: 16

約数和(自身を含む): 21431088

約数和(自身を除く): 3139139

約数列:

[1, 13, 17, 37, 221, 481, 629, 2237, 8177, 29081, 38029, 82769, 494377, 1075997, 1407073, 18291949]

約数ペア:

[(1, 18291949), (13, 1407073), (17, 1075997), (37, 494377), (221, 82769), (481, 38029), (629, 29081), (2237, 8177)]