18238075

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 23677056

約数和(自身を除く): 5438981

約数列:

[1, 5, 25, 31, 101, 155, 233, 505, 775, 1165, 2525, 3131, 5825, 7223, 15655, 23533, 36115, 78275, 117665, 180575, 588325, 729523, 3647615, 18238075]

約数ペア:

[(1, 18238075), (5, 3647615), (25, 729523), (31, 588325), (101, 180575), (155, 117665), (233, 78275), (505, 36115), (775, 23533), (1165, 15655), (2525, 7223), (3131, 5825)]