19823540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90107}}^1$

素因数の和:90127

約数の個数: 24

約数和(自身を含む): 45414432

約数和(自身を除く): 25590892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 90107, 180214, 360428, 450535, 901070, 991177, 1802140, 1982354, 3964708, 4955885, 9911770, 19823540]

約数ペア:

[(1, 19823540), (2, 9911770), (4, 4955885), (5, 3964708), (10, 1982354), (11, 1802140), (20, 991177), (22, 901070), (44, 450535), (55, 360428), (110, 180214), (220, 90107)]