18886967

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 21525504

約数和(自身を除く): 2638537

約数列:

[1, 11, 31, 97, 341, 571, 1067, 3007, 6281, 17701, 33077, 55387, 194711, 609257, 1716997, 18886967]

約数ペア:

[(1, 18886967), (11, 1716997), (31, 609257), (97, 194711), (341, 55387), (571, 33077), (1067, 17701), (3007, 6281)]