18182275

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 24105600

約数和(自身を除く): 5923325

約数列:

[1, 5, 25, 29, 31, 145, 155, 725, 775, 809, 899, 4045, 4495, 20225, 22475, 23461, 25079, 117305, 125395, 586525, 626975, 727291, 3636455, 18182275]

約数ペア:

[(1, 18182275), (5, 3636455), (25, 727291), (29, 626975), (31, 586525), (145, 125395), (155, 117305), (725, 25079), (775, 23461), (809, 22475), (899, 20225), (4045, 4495)]