18856019

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1901}}^1$

素因数の和:2030

約数の個数: 16

約数和(自身を含む): 23432640

約数和(自身を除く): 4576621

約数列:

[1, 7, 13, 91, 109, 763, 1417, 1901, 9919, 13307, 24713, 172991, 207209, 1450463, 2693717, 18856019]

約数ペア:

[(1, 18856019), (7, 2693717), (13, 1450463), (91, 207209), (109, 172991), (763, 24713), (1417, 13307), (1901, 9919)]