19189700

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1511}}^1$

素因数の和:1652

約数の個数: 36

約数和(自身を含む): 41997312

約数和(自身を除く): 22807612

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 254, 508, 635, 1270, 1511, 2540, 3022, 3175, 6044, 6350, 7555, 12700, 15110, 30220, 37775, 75550, 151100, 191897, 383794, 767588, 959485, 1918970, 3837940, 4797425, 9594850, 19189700]

約数ペア:

[(1, 19189700), (2, 9594850), (4, 4797425), (5, 3837940), (10, 1918970), (20, 959485), (25, 767588), (50, 383794), (100, 191897), (127, 151100), (254, 75550), (508, 37775), (635, 30220), (1270, 15110), (1511, 12700), (2540, 7555), (3022, 6350), (3175, 6044)]