19615999

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 23058000

約数和(自身を除く): 3442001

約数列:

[1, 13, 19, 41, 149, 169, 247, 533, 779, 1937, 2831, 3211, 6109, 6929, 10127, 25181, 36803, 79417, 116071, 131651, 478439, 1032421, 1508923, 19615999]

約数ペア:

[(1, 19615999), (13, 1508923), (19, 1032421), (41, 478439), (149, 131651), (169, 116071), (247, 79417), (533, 36803), (779, 25181), (1937, 10127), (2831, 6929), (3211, 6109)]