17972180

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2371}}^1$

素因数の和:2759

約数の個数: 24

約数和(自身を含む): 37857120

約数和(自身を除く): 19884940

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 2371, 3790, 4742, 7580, 9484, 11855, 23710, 47420, 898609, 1797218, 3594436, 4493045, 8986090, 17972180]

約数ペア:

[(1, 17972180), (2, 8986090), (4, 4493045), (5, 3594436), (10, 1797218), (20, 898609), (379, 47420), (758, 23710), (1516, 11855), (1895, 9484), (2371, 7580), (3790, 4742)]