18697689724

素因数分解:

$2^2\times 7^1\times {\mathrm{667774633}}^1$

素因数の和:667774644

約数の個数: 12

約数和(自身を含む): 37395379504

約数和(自身を除く): 18697689780

約数列:

[1, 2, 4, 7, 14, 28, 667774633, 1335549266, 2671098532, 4674422431, 9348844862, 18697689724]

約数ペア:

[(1, 18697689724), (2, 9348844862), (4, 4674422431), (7, 2671098532), (14, 1335549266), (28, 667774633)]