12915824

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18773}}^1$

素因数の和:18824

約数の個数: 20

約数和(自身を含む): 25607736

約数和(自身を除く): 12691912

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18773, 37546, 75092, 150184, 300368, 807239, 1614478, 3228956, 6457912, 12915824]

約数ペア:

[(1, 12915824), (2, 6457912), (4, 3228956), (8, 1614478), (16, 807239), (43, 300368), (86, 150184), (172, 75092), (344, 37546), (688, 18773)]