19123840

素因数分解:

$2^7\times 5^1\times {\mathrm{29881}}^1$

素因数の和:29900

約数の個数: 32

約数和(自身を含む): 45719460

約数和(自身を除く): 26595620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29881, 59762, 119524, 149405, 239048, 298810, 478096, 597620, 956192, 1195240, 1912384, 2390480, 3824768, 4780960, 9561920, 19123840]

約数ペア:

[(1, 19123840), (2, 9561920), (4, 4780960), (5, 3824768), (8, 2390480), (10, 1912384), (16, 1195240), (20, 956192), (32, 597620), (40, 478096), (64, 298810), (80, 239048), (128, 149405), (160, 119524), (320, 59762), (640, 29881)]