18409293

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2837}}^1$

素因数の和:2953

約数の個数: 24

約数和(自身を含む): 30695808

約数和(自身を除く): 12286515

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 2837, 6489, 8511, 19859, 25533, 59577, 178731, 292211, 876633, 2045477, 2629899, 6136431, 18409293]

約数ペア:

[(1, 18409293), (3, 6136431), (7, 2629899), (9, 2045477), (21, 876633), (63, 292211), (103, 178731), (309, 59577), (721, 25533), (927, 19859), (2163, 8511), (2837, 6489)]