18310225

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 23490560

約数和(自身を除く): 5180335

約数列:

[1, 5, 25, 73, 79, 127, 365, 395, 635, 1825, 1975, 3175, 5767, 9271, 10033, 28835, 46355, 50165, 144175, 231775, 250825, 732409, 3662045, 18310225]

約数ペア:

[(1, 18310225), (5, 3662045), (25, 732409), (73, 250825), (79, 231775), (127, 144175), (365, 50165), (395, 46355), (635, 28835), (1825, 10033), (1975, 9271), (3175, 5767)]