19891328

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8179}}^1$

素因数の和:8212

約数の個数: 32

約数和(自身を含む): 41718000

約数和(自身を除く): 21826672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8179, 16358, 32716, 65432, 130864, 155401, 261728, 310802, 523456, 621604, 1046912, 1243208, 2486416, 4972832, 9945664, 19891328]

約数ペア:

[(1, 19891328), (2, 9945664), (4, 4972832), (8, 2486416), (16, 1243208), (19, 1046912), (32, 621604), (38, 523456), (64, 310802), (76, 261728), (128, 155401), (152, 130864), (304, 65432), (608, 32716), (1216, 16358), (2432, 8179)]