19258822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13400378

約数列:

[1, 2, 11, 22, 53, 83, 106, 166, 199, 398, 583, 913, 1166, 1826, 2189, 4378, 4399, 8798, 10547, 16517, 21094, 33034, 48389, 96778, 116017, 181687, 232034, 363374, 875401, 1750802, 9629411, 19258822]

約数ペア:

[(1, 19258822), (2, 9629411), (11, 1750802), (22, 875401), (53, 363374), (83, 232034), (106, 181687), (166, 116017), (199, 96778), (398, 48389), (583, 33034), (913, 21094), (1166, 16517), (1826, 10547), (2189, 8798), (4378, 4399)]