19994665

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 24558336

約数和(自身を除く): 4563671

約数列:

[1, 5, 71, 151, 355, 373, 755, 1865, 10721, 26483, 53605, 56323, 132415, 281615, 3998933, 19994665]

約数ペア:

[(1, 19994665), (5, 3998933), (71, 281615), (151, 132415), (355, 56323), (373, 53605), (755, 26483), (1865, 10721)]