17939636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 37443840

約数和(自身を除く): 19504204

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 79, 143, 158, 286, 316, 397, 572, 794, 869, 1027, 1588, 1738, 2054, 3476, 4108, 4367, 5161, 8734, 10322, 11297, 17468, 20644, 22594, 31363, 45188, 56771, 62726, 113542, 125452, 227084, 344993, 407719, 689986, 815438, 1379972, 1630876, 4484909, 8969818, 17939636]

約数ペア:

[(1, 17939636), (2, 8969818), (4, 4484909), (11, 1630876), (13, 1379972), (22, 815438), (26, 689986), (44, 407719), (52, 344993), (79, 227084), (143, 125452), (158, 113542), (286, 62726), (316, 56771), (397, 45188), (572, 31363), (794, 22594), (869, 20644), (1027, 17468), (1588, 11297), (1738, 10322), (2054, 8734), (3476, 5161), (4108, 4367)]