19560656

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{3931}}^1$

素因数の和:4250

約数の個数: 20

約数和(自身を含む): 38030304

約数和(自身を除く): 18469648

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 3931, 4976, 7862, 15724, 31448, 62896, 1222541, 2445082, 4890164, 9780328, 19560656]

約数ペア:

[(1, 19560656), (2, 9780328), (4, 4890164), (8, 2445082), (16, 1222541), (311, 62896), (622, 31448), (1244, 15724), (2488, 7862), (3931, 4976)]