19588045180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{497411}}^1$

素因数の和:497610

約数の個数: 48

約数和(自身を含む): 45125216640

約数和(自身を除く): 25537171460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 3580, 3938, 7876, 9845, 19690, 39380, 497411, 994822, 1989644, 2487055, 4974110, 5471521, 9948220, 10943042, 21886084, 27357605, 54715210, 89036569, 109430420, 178073138, 356146276, 445182845, 890365690, 979402259, 1780731380, 1958804518, 3917609036, 4897011295, 9794022590, 19588045180]

約数ペア:

[(1, 19588045180), (2, 9794022590), (4, 4897011295), (5, 3917609036), (10, 1958804518), (11, 1780731380), (20, 979402259), (22, 890365690), (44, 445182845), (55, 356146276), (110, 178073138), (179, 109430420), (220, 89036569), (358, 54715210), (716, 27357605), (895, 21886084), (1790, 10943042), (1969, 9948220), (3580, 5471521), (3938, 4974110), (7876, 2487055), (9845, 1989644), (19690, 994822), (39380, 497411)]