19484793

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{821}}^1$

素因数の和:1126

約数の個数: 20

約数和(自身を含む): 29241828

約数和(自身を除く): 9757035

約数列:

[1, 3, 9, 27, 81, 293, 821, 879, 2463, 2637, 7389, 7911, 22167, 23733, 66501, 240553, 721659, 2164977, 6494931, 19484793]

約数ペア:

[(1, 19484793), (3, 6494931), (9, 2164977), (27, 721659), (81, 240553), (293, 66501), (821, 23733), (879, 22167), (2463, 7911), (2637, 7389)]