19786107

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12757}}^1$

素因数の和:12818

約数の個数: 16

約数和(自身を含む): 29394432

約数和(自身を除く): 9608325

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 12757, 38271, 140327, 420981, 599579, 1798737, 6595369, 19786107]

約数ペア:

[(1, 19786107), (3, 6595369), (11, 1798737), (33, 599579), (47, 420981), (141, 140327), (517, 38271), (1551, 12757)]