19071009

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 28852200

約数和(自身を除く): 9781191

約数列:

[1, 3, 9, 29, 87, 89, 261, 267, 801, 821, 2463, 2581, 7389, 7743, 23229, 23809, 71427, 73069, 214281, 219207, 657621, 2119001, 6357003, 19071009]

約数ペア:

[(1, 19071009), (3, 6357003), (9, 2119001), (29, 657621), (87, 219207), (89, 214281), (261, 73069), (267, 71427), (801, 23809), (821, 23229), (2463, 7743), (2581, 7389)]