19806831

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3391}}^1$

素因数の和:3467

約数の個数: 24

約数和(自身を含む): 31749120

約数和(自身を除く): 11942289

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 3391, 5841, 10173, 30519, 37301, 111903, 200069, 335709, 600207, 1800621, 2200759, 6602277, 19806831]

約数ペア:

[(1, 19806831), (3, 6602277), (9, 2200759), (11, 1800621), (33, 600207), (59, 335709), (99, 200069), (177, 111903), (531, 37301), (649, 30519), (1947, 10173), (3391, 5841)]