19957516

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1279}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 36126720

約数和(自身を除く): 16169204

約数列:

[1, 2, 4, 47, 83, 94, 166, 188, 332, 1279, 2558, 3901, 5116, 7802, 15604, 60113, 106157, 120226, 212314, 240452, 424628, 4989379, 9978758, 19957516]

約数ペア:

[(1, 19957516), (2, 9978758), (4, 4989379), (47, 424628), (83, 240452), (94, 212314), (166, 120226), (188, 106157), (332, 60113), (1279, 15604), (2558, 7802), (3901, 5116)]