18872711

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{487}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 22299648

約数和(自身を除く): 3426937

約数列:

[1, 11, 13, 143, 271, 487, 2981, 3523, 5357, 6331, 38753, 69641, 131977, 1451747, 1715701, 18872711]

約数ペア:

[(1, 18872711), (11, 1715701), (13, 1451747), (143, 131977), (271, 69641), (487, 38753), (2981, 6331), (3523, 5357)]