19311550

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{4889}}^1$

素因数の和:4980

約数の個数: 24

約数和(自身を含む): 36381600

約数和(自身を除く): 17070050

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 4889, 9778, 24445, 48890, 122225, 244450, 386231, 772462, 1931155, 3862310, 9655775, 19311550]

約数ペア:

[(1, 19311550), (2, 9655775), (5, 3862310), (10, 1931155), (25, 772462), (50, 386231), (79, 244450), (158, 122225), (395, 48890), (790, 24445), (1975, 9778), (3950, 4889)]