18026687

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 5197633

約数列:

[1, 7, 19, 23, 71, 83, 133, 161, 437, 497, 581, 1349, 1577, 1633, 1909, 3059, 5893, 9443, 11039, 11431, 13363, 31027, 36271, 41251, 111967, 135539, 217189, 253897, 783769, 948773, 2575241, 18026687]

約数ペア:

[(1, 18026687), (7, 2575241), (19, 948773), (23, 783769), (71, 253897), (83, 217189), (133, 135539), (161, 111967), (437, 41251), (497, 36271), (581, 31027), (1349, 13363), (1577, 11431), (1633, 11039), (1909, 9443), (3059, 5893)]