18604225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 24284160

約数和(自身を除く): 5679935

約数列:

[1, 5, 25, 29, 67, 145, 335, 383, 725, 1675, 1915, 1943, 9575, 9715, 11107, 25661, 48575, 55535, 128305, 277675, 641525, 744169, 3720845, 18604225]

約数ペア:

[(1, 18604225), (5, 3720845), (25, 744169), (29, 641525), (67, 277675), (145, 128305), (335, 55535), (383, 48575), (725, 25661), (1675, 11107), (1915, 9715), (1943, 9575)]