19339904

素因数分解:

$2^7\times {\mathrm{139}}^1\times {\mathrm{1087}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 38841600

約数和(自身を除く): 19501696

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 278, 556, 1087, 1112, 2174, 2224, 4348, 4448, 8696, 8896, 17392, 17792, 34784, 69568, 139136, 151093, 302186, 604372, 1208744, 2417488, 4834976, 9669952, 19339904]

約数ペア:

[(1, 19339904), (2, 9669952), (4, 4834976), (8, 2417488), (16, 1208744), (32, 604372), (64, 302186), (128, 151093), (139, 139136), (278, 69568), (556, 34784), (1087, 17792), (1112, 17392), (2174, 8896), (2224, 8696), (4348, 4448)]