19918795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10567}}^1$

素因数の和:10614

約数の個数: 16

約数和(自身を含む): 26631360

約数和(自身を除く): 6712565

約数列:

[1, 5, 13, 29, 65, 145, 377, 1885, 10567, 52835, 137371, 306443, 686855, 1532215, 3983759, 19918795]

約数ペア:

[(1, 19918795), (5, 3983759), (13, 1532215), (29, 686855), (65, 306443), (145, 137371), (377, 52835), (1885, 10567)]