18895075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1933}}^1$

素因数の和:1983

約数の個数: 24

約数和(自身を含む): 25900128

約数和(自身を除く): 7005053

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1933, 1955, 9665, 9775, 32861, 44459, 48325, 164305, 222295, 755803, 821525, 1111475, 3779015, 18895075]

約数ペア:

[(1, 18895075), (5, 3779015), (17, 1111475), (23, 821525), (25, 755803), (85, 222295), (115, 164305), (391, 48325), (425, 44459), (575, 32861), (1933, 9775), (1955, 9665)]