19791080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6263}}^1$

素因数の和:6353

約数の個数: 32

約数和(自身を含む): 45100800

約数和(自身を除く): 25309720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6263, 12526, 25052, 31315, 50104, 62630, 125260, 250520, 494777, 989554, 1979108, 2473885, 3958216, 4947770, 9895540, 19791080]

約数ペア:

[(1, 19791080), (2, 9895540), (4, 4947770), (5, 3958216), (8, 2473885), (10, 1979108), (20, 989554), (40, 494777), (79, 250520), (158, 125260), (316, 62630), (395, 50104), (632, 31315), (790, 25052), (1580, 12526), (3160, 6263)]