19916195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5023}}^1$

素因数の和:5102

約数の個数: 16

約数和(自身を含む): 26164992

約数和(自身を除く): 6248797

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 5023, 25115, 65299, 306403, 326495, 1532015, 3983239, 19916195]

約数ペア:

[(1, 19916195), (5, 3983239), (13, 1532015), (61, 326495), (65, 306403), (305, 65299), (793, 25115), (3965, 5023)]