19486115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 27820800

約数和(自身を除く): 8334685

約数列:

[1, 5, 11, 19, 29, 55, 95, 145, 209, 319, 551, 643, 1045, 1595, 2755, 3215, 6061, 7073, 12217, 18647, 30305, 35365, 61085, 93235, 134387, 205117, 354293, 671935, 1025585, 1771465, 3897223, 19486115]

約数ペア:

[(1, 19486115), (5, 3897223), (11, 1771465), (19, 1025585), (29, 671935), (55, 354293), (95, 205117), (145, 134387), (209, 93235), (319, 61085), (551, 35365), (643, 30305), (1045, 18647), (1595, 12217), (2755, 7073), (3215, 6061)]