18517837

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 21667200

約数和(自身を除く): 3149363

約数列:

[1, 13, 19, 73, 79, 169, 247, 949, 1027, 1387, 1501, 3211, 5767, 12337, 13351, 18031, 19513, 74971, 109573, 234403, 253669, 974623, 1424449, 18517837]

約数ペア:

[(1, 18517837), (13, 1424449), (19, 974623), (73, 253669), (79, 234403), (169, 109573), (247, 74971), (949, 19513), (1027, 18031), (1387, 13351), (1501, 12337), (3211, 5767)]