19467580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{827}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 45069696

約数和(自身を除く): 25602116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 827, 1070, 1177, 1654, 2140, 2354, 3308, 4135, 4708, 5885, 8270, 9097, 11770, 16540, 18194, 23540, 36388, 45485, 88489, 90970, 176978, 181940, 353956, 442445, 884890, 973379, 1769780, 1946758, 3893516, 4866895, 9733790, 19467580]

約数ペア:

[(1, 19467580), (2, 9733790), (4, 4866895), (5, 3893516), (10, 1946758), (11, 1769780), (20, 973379), (22, 884890), (44, 442445), (55, 353956), (107, 181940), (110, 176978), (214, 90970), (220, 88489), (428, 45485), (535, 36388), (827, 23540), (1070, 18194), (1177, 16540), (1654, 11770), (2140, 9097), (2354, 8270), (3308, 5885), (4135, 4708)]