19531904

素因数分解:

$2^7\times 7^1\times {\mathrm{21799}}^1$

素因数の和:21820

約数の個数: 32

約数和(自身を含む): 44472000

約数和(自身を除く): 24940096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 21799, 43598, 87196, 152593, 174392, 305186, 348784, 610372, 697568, 1220744, 1395136, 2441488, 2790272, 4882976, 9765952, 19531904]

約数ペア:

[(1, 19531904), (2, 9765952), (4, 4882976), (7, 2790272), (8, 2441488), (14, 1395136), (16, 1220744), (28, 697568), (32, 610372), (56, 348784), (64, 305186), (112, 174392), (128, 152593), (224, 87196), (448, 43598), (896, 21799)]