18990526345

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31916851}}^1$

素因数の和:31916880

約数の個数: 16

約数和(自身を含む): 27576160128

約数和(自身を除く): 8585633783

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 31916851, 159584255, 223417957, 542586467, 1117089785, 2712932335, 3798105269, 18990526345]

約数ペア:

[(1, 18990526345), (5, 3798105269), (7, 2712932335), (17, 1117089785), (35, 542586467), (85, 223417957), (119, 159584255), (595, 31916851)]