19077700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2687}}^1$

素因数の和:2772

約数の個数: 36

約数和(自身を含む): 41997312

約数和(自身を除く): 22919612

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 2687, 3550, 5374, 7100, 10748, 13435, 26870, 53740, 67175, 134350, 190777, 268700, 381554, 763108, 953885, 1907770, 3815540, 4769425, 9538850, 19077700]

約数ペア:

[(1, 19077700), (2, 9538850), (4, 4769425), (5, 3815540), (10, 1907770), (20, 953885), (25, 763108), (50, 381554), (71, 268700), (100, 190777), (142, 134350), (284, 67175), (355, 53740), (710, 26870), (1420, 13435), (1775, 10748), (2687, 7100), (3550, 5374)]