19862397

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 29385720

約数和(自身を除く): 9523323

約数列:

[1, 3, 9, 89, 137, 181, 267, 411, 543, 801, 1233, 1629, 12193, 16109, 24797, 36579, 48327, 74391, 109737, 144981, 223173, 2206933, 6620799, 19862397]

約数ペア:

[(1, 19862397), (3, 6620799), (9, 2206933), (89, 223173), (137, 144981), (181, 109737), (267, 74391), (411, 48327), (543, 36579), (801, 24797), (1233, 16109), (1629, 12193)]