18635565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 32328576

約数和(自身を除く): 13693011

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 227, 421, 681, 1135, 1263, 2105, 2951, 3405, 5473, 6315, 8853, 14755, 16419, 27365, 44265, 82095, 95567, 286701, 477835, 1242371, 1433505, 3727113, 6211855, 18635565]

約数ペア:

[(1, 18635565), (3, 6211855), (5, 3727113), (13, 1433505), (15, 1242371), (39, 477835), (65, 286701), (195, 95567), (227, 82095), (421, 44265), (681, 27365), (1135, 16419), (1263, 14755), (2105, 8853), (2951, 6315), (3405, 5473)]