18445275

素因数分解:

$3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1212

約数の個数: 36

約数和(自身を含む): 33519928

約数和(自身を除く): 15074653

約数列:

[1, 3, 5, 9, 15, 25, 45, 73, 75, 219, 225, 365, 657, 1095, 1123, 1825, 3285, 3369, 5475, 5615, 10107, 16425, 16845, 28075, 50535, 81979, 84225, 245937, 252675, 409895, 737811, 1229685, 2049475, 3689055, 6148425, 18445275]

約数ペア:

[(1, 18445275), (3, 6148425), (5, 3689055), (9, 2049475), (15, 1229685), (25, 737811), (45, 409895), (73, 252675), (75, 245937), (219, 84225), (225, 81979), (365, 50535), (657, 28075), (1095, 16845), (1123, 16425), (1825, 10107), (3285, 5615), (3369, 5475)]