18993543

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1249}}^1$

素因数の和:1426

約数の個数: 16

約数和(自身を含む): 26220000

約数和(自身を除く): 7226457

約数列:

[1, 3, 37, 111, 137, 411, 1249, 3747, 5069, 15207, 46213, 138639, 171113, 513339, 6331181, 18993543]

約数ペア:

[(1, 18993543), (3, 6331181), (37, 513339), (111, 171113), (137, 138639), (411, 46213), (1249, 15207), (3747, 5069)]