19626860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89213}}^1$

素因数の和:89233

約数の個数: 24

約数和(自身を含む): 44963856

約数和(自身を除く): 25336996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89213, 178426, 356852, 446065, 892130, 981343, 1784260, 1962686, 3925372, 4906715, 9813430, 19626860]

約数ペア:

[(1, 19626860), (2, 9813430), (4, 4906715), (5, 3925372), (10, 1962686), (11, 1784260), (20, 981343), (22, 892130), (44, 446065), (55, 356852), (110, 178426), (220, 89213)]