19993004

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 35750400

約数和(自身を除く): 15757396

約数列:

[1, 2, 4, 79, 151, 158, 302, 316, 419, 604, 838, 1676, 11929, 23858, 33101, 47716, 63269, 66202, 126538, 132404, 253076, 4998251, 9996502, 19993004]

約数ペア:

[(1, 19993004), (2, 9996502), (4, 4998251), (79, 253076), (151, 132404), (158, 126538), (302, 66202), (316, 63269), (419, 47716), (604, 33101), (838, 23858), (1676, 11929)]