19071025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1951}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 26141184

約数和(自身を除く): 7070159

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1951, 1955, 9755, 9775, 33167, 44873, 48775, 165835, 224365, 762841, 829175, 1121825, 3814205, 19071025]

約数ペア:

[(1, 19071025), (5, 3814205), (17, 1121825), (23, 829175), (25, 762841), (85, 224365), (115, 165835), (391, 48775), (425, 44873), (575, 33167), (1951, 9775), (1955, 9755)]