18950894

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:811

約数の個数: 16

約数和(自身を含む): 28986336

約数和(自身を除く): 10035442

約数列:

[1, 2, 71, 142, 317, 421, 634, 842, 22507, 29891, 45014, 59782, 133457, 266914, 9475447, 18950894]

約数ペア:

[(1, 18950894), (2, 9475447), (71, 266914), (142, 133457), (317, 59782), (421, 45014), (634, 29891), (842, 22507)]