19884140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34283}}^1$

素因数の和:34321

約数の個数: 24

約数和(自身を含む): 43197840

約数和(自身を除く): 23313700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34283, 68566, 137132, 171415, 342830, 685660, 994207, 1988414, 3976828, 4971035, 9942070, 19884140]

約数ペア:

[(1, 19884140), (2, 9942070), (4, 4971035), (5, 3976828), (10, 1988414), (20, 994207), (29, 685660), (58, 342830), (116, 171415), (145, 137132), (290, 68566), (580, 34283)]