18235285

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1764

約数の個数: 16

約数和(自身を含む): 22920192

約数和(自身を除く): 4684907

約数列:

[1, 5, 31, 71, 155, 355, 1657, 2201, 8285, 11005, 51367, 117647, 256835, 588235, 3647057, 18235285]

約数ペア:

[(1, 18235285), (5, 3647057), (31, 588235), (71, 256835), (155, 117647), (355, 51367), (1657, 11005), (2201, 8285)]