19894541755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2467}}^1\times {\mathrm{7717}}^1$

素因数の和:10219

約数の個数: 32

約数和(自身を含む): 27429154560

約数和(自身を除く): 7534612805

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 2467, 7717, 12335, 27137, 38585, 46873, 84887, 135685, 146623, 234365, 424435, 515603, 733115, 1612853, 2578015, 8064265, 19037839, 95189195, 209416229, 361718941, 1047081145, 1808594705, 3978908351, 19894541755]

約数ペア:

[(1, 19894541755), (5, 3978908351), (11, 1808594705), (19, 1047081145), (55, 361718941), (95, 209416229), (209, 95189195), (1045, 19037839), (2467, 8064265), (7717, 2578015), (12335, 1612853), (27137, 733115), (38585, 515603), (46873, 424435), (84887, 234365), (135685, 146623)]