19970270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68863}}^1$

素因数の和:68899

約数の個数: 16

約数和(自身を含む): 37186560

約数和(自身を除く): 17216290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 68863, 137726, 344315, 688630, 1997027, 3994054, 9985135, 19970270]

約数ペア:

[(1, 19970270), (2, 9985135), (5, 3994054), (10, 1997027), (29, 688630), (58, 344315), (145, 137726), (290, 68863)]