19810866

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1613}}^1$

素因数の和:1730

約数の個数: 32

約数和(自身を含む): 41834880

約数和(自身を除く): 22024014

約数列:

[1, 2, 3, 6, 23, 46, 69, 89, 138, 178, 267, 534, 1613, 2047, 3226, 4094, 4839, 6141, 9678, 12282, 37099, 74198, 111297, 143557, 222594, 287114, 430671, 861342, 3301811, 6603622, 9905433, 19810866]

約数ペア:

[(1, 19810866), (2, 9905433), (3, 6603622), (6, 3301811), (23, 861342), (46, 430671), (69, 287114), (89, 222594), (138, 143557), (178, 111297), (267, 74198), (534, 37099), (1613, 12282), (2047, 9678), (3226, 6141), (4094, 4839)]