18865730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145121}}^1$

素因数の和:145141

約数の個数: 16

約数和(自身を含む): 36570744

約数和(自身を除く): 17705014

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 145121, 290242, 725605, 1451210, 1886573, 3773146, 9432865, 18865730]

約数ペア:

[(1, 18865730), (2, 9432865), (5, 3773146), (10, 1886573), (13, 1451210), (26, 725605), (65, 290242), (130, 145121)]