20181877183

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{21503}}^1$

素因数の和:21655

約数の個数: 32

約数和(自身を含む): 23525720064

約数和(自身を除く): 3343842881

約数列:

[1, 13, 23, 43, 73, 299, 559, 949, 989, 1679, 3139, 12857, 21503, 21827, 40807, 72197, 279539, 494569, 924629, 938561, 1569719, 6429397, 12020177, 20406347, 21266467, 36103537, 67497917, 276464071, 469345981, 877472921, 1552452091, 20181877183]

約数ペア:

[(1, 20181877183), (13, 1552452091), (23, 877472921), (43, 469345981), (73, 276464071), (299, 67497917), (559, 36103537), (949, 21266467), (989, 20406347), (1679, 12020177), (3139, 6429397), (12857, 1569719), (21503, 938561), (21827, 924629), (40807, 494569), (72197, 279539)]