19687173

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1847}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 12246267

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 1847, 3553, 5541, 10659, 20317, 31399, 35093, 60951, 94197, 105279, 345389, 386023, 596581, 1036167, 1158069, 1789743, 6562391, 19687173]

約数ペア:

[(1, 19687173), (3, 6562391), (11, 1789743), (17, 1158069), (19, 1036167), (33, 596581), (51, 386023), (57, 345389), (187, 105279), (209, 94197), (323, 60951), (561, 35093), (627, 31399), (969, 20317), (1847, 10659), (3553, 5541)]