18973972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{279029}}^1$

素因数の和:279050

約数の個数: 12

約数和(自身を含む): 35157780

約数和(自身を除く): 16183808

約数列:

[1, 2, 4, 17, 34, 68, 279029, 558058, 1116116, 4743493, 9486986, 18973972]

約数ペア:

[(1, 18973972), (2, 9486986), (4, 4743493), (17, 1116116), (34, 558058), (68, 279029)]