19947026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 14612974

約数列:

[1, 2, 11, 22, 23, 46, 79, 158, 253, 499, 506, 869, 998, 1738, 1817, 3634, 5489, 10978, 11477, 19987, 22954, 39421, 39974, 78842, 126247, 252494, 433631, 867262, 906683, 1813366, 9973513, 19947026]

約数ペア:

[(1, 19947026), (2, 9973513), (11, 1813366), (22, 906683), (23, 867262), (46, 433631), (79, 252494), (158, 126247), (253, 78842), (499, 39974), (506, 39421), (869, 22954), (998, 19987), (1738, 11477), (1817, 10978), (3634, 5489)]