18673225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{829}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 25009560

約数和(自身を除く): 6336335

約数列:

[1, 5, 17, 25, 53, 85, 265, 425, 829, 901, 1325, 4145, 4505, 14093, 20725, 22525, 43937, 70465, 219685, 352325, 746929, 1098425, 3734645, 18673225]

約数ペア:

[(1, 18673225), (5, 3734645), (17, 1098425), (25, 746929), (53, 352325), (85, 219685), (265, 70465), (425, 43937), (829, 22525), (901, 20725), (1325, 14093), (4145, 4505)]