19837491

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1493}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 27346176

約数和(自身を除く): 7508685

約数列:

[1, 3, 43, 103, 129, 309, 1493, 4429, 4479, 13287, 64199, 153779, 192597, 461337, 6612497, 19837491]

約数ペア:

[(1, 19837491), (3, 6612497), (43, 461337), (103, 192597), (129, 153779), (309, 64199), (1493, 13287), (4429, 4479)]