18102721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{601}}^1$

素因数の和:952

約数の個数: 16

約数和(自身を含む): 22384768

約数和(自身を除く): 4282047

約数列:

[1, 7, 13, 91, 331, 601, 2317, 4207, 4303, 7813, 30121, 54691, 198931, 1392517, 2586103, 18102721]

約数ペア:

[(1, 18102721), (7, 2586103), (13, 1392517), (91, 198931), (331, 54691), (601, 30121), (2317, 7813), (4207, 4303)]