19995054

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{25439}}^1$

素因数の和:25575

約数の個数: 16

約数和(自身を含む): 40296960

約数和(自身を除く): 20301906

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 25439, 50878, 76317, 152634, 3332509, 6665018, 9997527, 19995054]

約数ペア:

[(1, 19995054), (2, 9997527), (3, 6665018), (6, 3332509), (131, 152634), (262, 76317), (393, 50878), (786, 25439)]