18256275

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1979}}^1$

素因数の和:2036

約数の個数: 36

約数和(自身を含む): 33513480

約数和(自身を除く): 15257205

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 1979, 3075, 5937, 9225, 9895, 17811, 29685, 49475, 81139, 89055, 148425, 243417, 405695, 445275, 730251, 1217085, 2028475, 3651255, 6085425, 18256275]

約数ペア:

[(1, 18256275), (3, 6085425), (5, 3651255), (9, 2028475), (15, 1217085), (25, 730251), (41, 445275), (45, 405695), (75, 243417), (123, 148425), (205, 89055), (225, 81139), (369, 49475), (615, 29685), (1025, 17811), (1845, 9895), (1979, 9225), (3075, 5937)]