19148421

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2136

約数の個数: 16

約数和(自身を含む): 26624000

約数和(自身を除く): 7475579

約数列:

[1, 3, 31, 93, 103, 309, 1999, 3193, 5997, 9579, 61969, 185907, 205897, 617691, 6382807, 19148421]

約数ペア:

[(1, 19148421), (3, 6382807), (31, 617691), (93, 205897), (103, 185907), (309, 61969), (1999, 9579), (3193, 5997)]