19716175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2017}}^1$

素因数の和:2067

約数の個数: 24

約数和(自身を含む): 27025056

約数和(自身を除く): 7308881

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 2017, 9775, 10085, 34289, 46391, 50425, 171445, 231955, 788647, 857225, 1159775, 3943235, 19716175]

約数ペア:

[(1, 19716175), (5, 3943235), (17, 1159775), (23, 857225), (25, 788647), (85, 231955), (115, 171445), (391, 50425), (425, 46391), (575, 34289), (1955, 10085), (2017, 9775)]