18104575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1039}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 24373440

約数和(自身を除く): 6268865

約数列:

[1, 5, 17, 25, 41, 85, 205, 425, 697, 1025, 1039, 3485, 5195, 17425, 17663, 25975, 42599, 88315, 212995, 441575, 724183, 1064975, 3620915, 18104575]

約数ペア:

[(1, 18104575), (5, 3620915), (17, 1064975), (25, 724183), (41, 441575), (85, 212995), (205, 88315), (425, 42599), (697, 25975), (1025, 17663), (1039, 17425), (3485, 5195)]