18425980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{17383}}^1$

素因数の和:17445

約数の個数: 24

約数和(自身を含む): 39426912

約数和(自身を除く): 21000932

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 17383, 34766, 69532, 86915, 173830, 347660, 921299, 1842598, 3685196, 4606495, 9212990, 18425980]

約数ペア:

[(1, 18425980), (2, 9212990), (4, 4606495), (5, 3685196), (10, 1842598), (20, 921299), (53, 347660), (106, 173830), (212, 86915), (265, 69532), (530, 34766), (1060, 17383)]