18164075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 24194880

約数和(自身を除く): 6030805

約数列:

[1, 5, 17, 25, 79, 85, 395, 425, 541, 1343, 1975, 2705, 6715, 9197, 13525, 33575, 42739, 45985, 213695, 229925, 726563, 1068475, 3632815, 18164075]

約数ペア:

[(1, 18164075), (5, 3632815), (17, 1068475), (25, 726563), (79, 229925), (85, 213695), (395, 45985), (425, 42739), (541, 33575), (1343, 13525), (1975, 9197), (2705, 6715)]