19208848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{353}}^1$

素因数の和:559

約数の個数: 40

約数和(自身を含む): 39506400

約数和(自身を除く): 20297552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 179, 304, 353, 358, 706, 716, 1412, 1432, 2824, 2864, 3401, 5648, 6707, 6802, 13414, 13604, 26828, 27208, 53656, 54416, 63187, 107312, 126374, 252748, 505496, 1010992, 1200553, 2401106, 4802212, 9604424, 19208848]

約数ペア:

[(1, 19208848), (2, 9604424), (4, 4802212), (8, 2401106), (16, 1200553), (19, 1010992), (38, 505496), (76, 252748), (152, 126374), (179, 107312), (304, 63187), (353, 54416), (358, 53656), (706, 27208), (716, 26828), (1412, 13604), (1432, 13414), (2824, 6802), (2864, 6707), (3401, 5648)]