18470825

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 24087000

約数和(自身を除く): 5616175

約数列:

[1, 5, 25, 29, 73, 145, 349, 365, 725, 1745, 1825, 2117, 8725, 10121, 10585, 25477, 50605, 52925, 127385, 253025, 636925, 738833, 3694165, 18470825]

約数ペア:

[(1, 18470825), (5, 3694165), (25, 738833), (29, 636925), (73, 253025), (145, 127385), (349, 52925), (365, 50605), (725, 25477), (1745, 10585), (1825, 10121), (2117, 8725)]