18474290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1709}}^1$

素因数の和:1786

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 16984270

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1709, 2162, 3418, 5405, 8545, 10810, 17090, 39307, 78614, 80323, 160646, 196535, 393070, 401615, 803230, 1847429, 3694858, 9237145, 18474290]

約数ペア:

[(1, 18474290), (2, 9237145), (5, 3694858), (10, 1847429), (23, 803230), (46, 401615), (47, 393070), (94, 196535), (115, 160646), (230, 80323), (235, 78614), (470, 39307), (1081, 17090), (1709, 10810), (2162, 8545), (3418, 5405)]