18252115

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 25998336

約数和(自身を除く): 7746221

約数列:

[1, 5, 7, 35, 61, 83, 103, 305, 415, 427, 515, 581, 721, 2135, 2905, 3605, 5063, 6283, 8549, 25315, 31415, 35441, 42745, 43981, 59843, 177205, 219905, 299215, 521489, 2607445, 3650423, 18252115]

約数ペア:

[(1, 18252115), (5, 3650423), (7, 2607445), (35, 521489), (61, 299215), (83, 219905), (103, 177205), (305, 59843), (415, 43981), (427, 42745), (515, 35441), (581, 31415), (721, 25315), (2135, 8549), (2905, 6283), (3605, 5063)]