13661855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4639}}^1$

素因数の和:4694

約数の個数: 16

約数和(自身を含む): 17817600

約数和(自身を除く): 4155745

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 4639, 23195, 88141, 143809, 440705, 719045, 2732371, 13661855]

約数ペア:

[(1, 13661855), (5, 2732371), (19, 719045), (31, 440705), (95, 143809), (155, 88141), (589, 23195), (2945, 4639)]