17886791

素因数分解:

${\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1106

約数の個数: 12

約数和(自身を含む): 19566360

約数和(自身を除く): 1679569

約数列:

[1, 13, 109, 169, 971, 1417, 12623, 18421, 105839, 164099, 1375907, 17886791]

約数ペア:

[(1, 17886791), (13, 1375907), (109, 164099), (169, 105839), (971, 18421), (1417, 12623)]