13120956

素因数分解:

$2^2\times 3^2\times {\mathrm{364471}}^1$

素因数の和:364481

約数の個数: 18

約数和(自身を含む): 33166952

約数和(自身を除く): 20045996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 364471, 728942, 1093413, 1457884, 2186826, 3280239, 4373652, 6560478, 13120956]

約数ペア:

[(1, 13120956), (2, 6560478), (3, 4373652), (4, 3280239), (6, 2186826), (9, 1457884), (12, 1093413), (18, 728942), (36, 364471)]