18787740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313129}}^1$

素因数の和:313141

約数の個数: 24

約数和(自身を含む): 52605840

約数和(自身を除く): 33818100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313129, 626258, 939387, 1252516, 1565645, 1878774, 3131290, 3757548, 4696935, 6262580, 9393870, 18787740]

約数ペア:

[(1, 18787740), (2, 9393870), (3, 6262580), (4, 4696935), (5, 3757548), (6, 3131290), (10, 1878774), (12, 1565645), (15, 1252516), (20, 939387), (30, 626258), (60, 313129)]