18416054

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1172

約数の個数: 24

約数和(自身を含む): 30449520

約数和(自身を除く): 12033466

約数列:

[1, 2, 19, 23, 38, 46, 361, 437, 722, 874, 1109, 2218, 8303, 16606, 21071, 25507, 42142, 51014, 400349, 484633, 800698, 969266, 9208027, 18416054]

約数ペア:

[(1, 18416054), (2, 9208027), (19, 969266), (23, 800698), (38, 484633), (46, 400349), (361, 51014), (437, 42142), (722, 25507), (874, 21071), (1109, 16606), (2218, 8303)]