19720108

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3019}}^1$

素因数の和:3117

約数の個数: 24

約数和(自身を含む): 36529920

約数和(自身を除く): 16809812

約数列:

[1, 2, 4, 23, 46, 71, 92, 142, 284, 1633, 3019, 3266, 6038, 6532, 12076, 69437, 138874, 214349, 277748, 428698, 857396, 4930027, 9860054, 19720108]

約数ペア:

[(1, 19720108), (2, 9860054), (4, 4930027), (23, 857396), (46, 428698), (71, 277748), (92, 214349), (142, 138874), (284, 69437), (1633, 12076), (3019, 6532), (3266, 6038)]