18272215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2579}}^1$

素因数の和:2706

約数の個数: 16

約数和(自身を含む): 23839200

約数和(自身を除く): 5566985

約数列:

[1, 5, 13, 65, 109, 545, 1417, 2579, 7085, 12895, 33527, 167635, 281111, 1405555, 3654443, 18272215]

約数ペア:

[(1, 18272215), (5, 3654443), (13, 1405555), (65, 281111), (109, 167635), (545, 33527), (1417, 12895), (2579, 7085)]