18115513

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 20845440

約数和(自身を除く): 2729927

約数列:

[1, 13, 23, 43, 299, 559, 989, 1409, 12857, 18317, 32407, 60587, 421291, 787631, 1393501, 18115513]

約数ペア:

[(1, 18115513), (13, 1393501), (23, 787631), (43, 421291), (299, 60587), (559, 32407), (989, 18317), (1409, 12857)]