19645778884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{480713}}^1$

素因数の和:481335

約数の個数: 24

約数和(自身を含む): 36463118328

約数和(自身を除く): 16817339444

約数列:

[1, 2, 4, 17, 34, 68, 601, 1202, 2404, 10217, 20434, 40868, 480713, 961426, 1922852, 8172121, 16344242, 32688484, 288908513, 577817026, 1155634052, 4911444721, 9822889442, 19645778884]

約数ペア:

[(1, 19645778884), (2, 9822889442), (4, 4911444721), (17, 1155634052), (34, 577817026), (68, 288908513), (601, 32688484), (1202, 16344242), (2404, 8172121), (10217, 1922852), (20434, 961426), (40868, 480713)]