18755217

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5171}}^1$

素因数の和:5221

約数の個数: 24

約数和(自身を含む): 30121728

約数和(自身を除く): 11366511

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5171, 15513, 46539, 67223, 160301, 201669, 480903, 605007, 1442709, 2083913, 6251739, 18755217]

約数ペア:

[(1, 18755217), (3, 6251739), (9, 2083913), (13, 1442709), (31, 605007), (39, 480903), (93, 201669), (117, 160301), (279, 67223), (403, 46539), (1209, 15513), (3627, 5171)]