19870443

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{59671}}^1$

素因数の和:59714

約数の個数: 12

約数和(自身を含む): 29477968

約数和(自身を除く): 9607525

約数列:

[1, 3, 9, 37, 111, 333, 59671, 179013, 537039, 2207827, 6623481, 19870443]

約数ペア:

[(1, 19870443), (3, 6623481), (9, 2207827), (37, 537039), (111, 179013), (333, 59671)]