18952425

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:790

約数の個数: 36

約数和(自身を含む): 34258224

約数和(自身を除く): 15305799

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 393, 643, 655, 1179, 1929, 1965, 3215, 3275, 5787, 5895, 9645, 9825, 16075, 28935, 29475, 48225, 84233, 144675, 252699, 421165, 758097, 1263495, 2105825, 3790485, 6317475, 18952425]

約数ペア:

[(1, 18952425), (3, 6317475), (5, 3790485), (9, 2105825), (15, 1263495), (25, 758097), (45, 421165), (75, 252699), (131, 144675), (225, 84233), (393, 48225), (643, 29475), (655, 28935), (1179, 16075), (1929, 9825), (1965, 9645), (3215, 5895), (3275, 5787)]