18997726

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{2707}}^1$

素因数の和:2760

約数の個数: 24

約数和(自身を含む): 32414760

約数和(自身を除く): 13417034

約数列:

[1, 2, 11, 22, 29, 58, 121, 242, 319, 638, 2707, 3509, 5414, 7018, 29777, 59554, 78503, 157006, 327547, 655094, 863533, 1727066, 9498863, 18997726]

約数ペア:

[(1, 18997726), (2, 9498863), (11, 1727066), (22, 863533), (29, 655094), (58, 327547), (121, 157006), (242, 78503), (319, 59554), (638, 29777), (2707, 7018), (3509, 5414)]