19728574

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{3001}}^1$

素因数の和:3195

約数の個数: 16

約数和(自身を含む): 31340880

約数和(自身を除く): 11612306

約数列:

[1, 2, 19, 38, 173, 346, 3001, 3287, 6002, 6574, 57019, 114038, 519173, 1038346, 9864287, 19728574]

約数ペア:

[(1, 19728574), (2, 9864287), (19, 1038346), (38, 519173), (173, 114038), (346, 57019), (3001, 6574), (3287, 6002)]