19504615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2971}}^1$

素因数の和:3090

約数の個数: 16

約数和(自身を含む): 25464096

約数和(自身を除く): 5959481

約数列:

[1, 5, 13, 65, 101, 505, 1313, 2971, 6565, 14855, 38623, 193115, 300071, 1500355, 3900923, 19504615]

約数ペア:

[(1, 19504615), (5, 3900923), (13, 1500355), (65, 300071), (101, 193115), (505, 38623), (1313, 14855), (2971, 6565)]