18769915

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1429}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 23474880

約数和(自身を除く): 4704965

約数列:

[1, 5, 37, 71, 185, 355, 1429, 2627, 7145, 13135, 52873, 101459, 264365, 507295, 3753983, 18769915]

約数ペア:

[(1, 18769915), (5, 3753983), (37, 507295), (71, 264365), (185, 101459), (355, 52873), (1429, 13135), (2627, 7145)]