18189285

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 30021888

約数和(自身を除く): 11832603

約数列:

[1, 3, 5, 15, 61, 103, 183, 193, 305, 309, 515, 579, 915, 965, 1545, 2895, 6283, 11773, 18849, 19879, 31415, 35319, 58865, 59637, 94245, 99395, 176595, 298185, 1212619, 3637857, 6063095, 18189285]

約数ペア:

[(1, 18189285), (3, 6063095), (5, 3637857), (15, 1212619), (61, 298185), (103, 176595), (183, 99395), (193, 94245), (305, 59637), (309, 58865), (515, 35319), (579, 31415), (915, 19879), (965, 18849), (1545, 11773), (2895, 6283)]