19858355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2843}}^1$

素因数の和:2986

約数の個数: 16

約数和(自身を含む): 26210304

約数和(自身を除く): 6351949

約数列:

[1, 5, 11, 55, 127, 635, 1397, 2843, 6985, 14215, 31273, 156365, 361061, 1805305, 3971671, 19858355]

約数ペア:

[(1, 19858355), (5, 3971671), (11, 1805305), (55, 361061), (127, 156365), (635, 31273), (1397, 14215), (2843, 6985)]