19164843

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{1061}}^1$

素因数の和:1296

約数の個数: 20

約数和(自身を含む): 28784448

約数和(自身を除く): 9619605

約数列:

[1, 3, 9, 27, 81, 223, 669, 1061, 2007, 3183, 6021, 9549, 18063, 28647, 85941, 236603, 709809, 2129427, 6388281, 19164843]

約数ペア:

[(1, 19164843), (3, 6388281), (9, 2129427), (27, 709809), (81, 236603), (223, 85941), (669, 28647), (1061, 18063), (2007, 9549), (3183, 6021)]