18297565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 26119296

約数和(自身を除く): 7821731

約数列:

[1, 5, 11, 13, 55, 65, 143, 157, 163, 715, 785, 815, 1727, 1793, 2041, 2119, 8635, 8965, 10205, 10595, 22451, 23309, 25591, 112255, 116545, 127955, 281501, 332683, 1407505, 1663415, 3659513, 18297565]

約数ペア:

[(1, 18297565), (5, 3659513), (11, 1663415), (13, 1407505), (55, 332683), (65, 281501), (143, 127955), (157, 116545), (163, 112255), (715, 25591), (785, 23309), (815, 22451), (1727, 10595), (1793, 10205), (2041, 8965), (2119, 8635)]