18708975

素因数分解:

$3^4\times 5^2\times {\mathrm{9239}}^1$

素因数の和:9261

約数の個数: 30

約数和(自身を含む): 34659240

約数和(自身を除く): 15950265

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9239, 27717, 46195, 83151, 138585, 230975, 249453, 415755, 692925, 748359, 1247265, 2078775, 3741795, 6236325, 18708975]

約数ペア:

[(1, 18708975), (3, 6236325), (5, 3741795), (9, 2078775), (15, 1247265), (25, 748359), (27, 692925), (45, 415755), (75, 249453), (81, 230975), (135, 138585), (225, 83151), (405, 46195), (675, 27717), (2025, 9239)]