19217121

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3617}}^1$

素因数の和:3661

約数の個数: 32

約数和(自身を含む): 33343488

約数和(自身を除く): 14126367

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 3617, 5313, 10851, 25319, 39787, 75957, 83191, 119361, 249573, 278509, 582337, 835527, 915101, 1747011, 2745303, 6405707, 19217121]

約数ペア:

[(1, 19217121), (3, 6405707), (7, 2745303), (11, 1747011), (21, 915101), (23, 835527), (33, 582337), (69, 278509), (77, 249573), (161, 119361), (231, 83191), (253, 75957), (483, 39787), (759, 25319), (1771, 10851), (3617, 5313)]