19894345

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2029}}^1$

素因数の和:2124

約数の個数: 16

約数和(自身を含む): 24993360

約数和(自身を除く): 5099015

約数列:

[1, 5, 37, 53, 185, 265, 1961, 2029, 9805, 10145, 75073, 107537, 375365, 537685, 3978869, 19894345]

約数ペア:

[(1, 19894345), (5, 3978869), (37, 537685), (53, 375365), (185, 107537), (265, 75073), (1961, 10145), (2029, 9805)]