18801655

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1201}}^1$

素因数の和:1338

約数の個数: 16

約数和(自身を含む): 23539968

約数和(自身を除く): 4738313

約数列:

[1, 5, 31, 101, 155, 505, 1201, 3131, 6005, 15655, 37231, 121301, 186155, 606505, 3760331, 18801655]

約数ペア:

[(1, 18801655), (5, 3760331), (31, 606505), (101, 186155), (155, 121301), (505, 37231), (1201, 15655), (3131, 6005)]