19791700

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4211}}^1$

素因数の和:4272

約数の個数: 36

約数和(自身を含む): 43872192

約数和(自身を除く): 24080492

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4211, 4700, 8422, 16844, 21055, 42110, 84220, 105275, 197917, 210550, 395834, 421100, 791668, 989585, 1979170, 3958340, 4947925, 9895850, 19791700]

約数ペア:

[(1, 19791700), (2, 9895850), (4, 4947925), (5, 3958340), (10, 1979170), (20, 989585), (25, 791668), (47, 421100), (50, 395834), (94, 210550), (100, 197917), (188, 105275), (235, 84220), (470, 42110), (940, 21055), (1175, 16844), (2350, 8422), (4211, 4700)]