18290129

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 23030784

約数和(自身を除く): 4740655

約数列:

[1, 11, 13, 23, 67, 83, 143, 253, 299, 737, 871, 913, 1079, 1541, 1909, 3289, 5561, 9581, 11869, 16951, 20033, 20999, 24817, 61171, 72293, 127903, 220363, 272987, 795223, 1406933, 1662739, 18290129]

約数ペア:

[(1, 18290129), (11, 1662739), (13, 1406933), (23, 795223), (67, 272987), (83, 220363), (143, 127903), (253, 72293), (299, 61171), (737, 24817), (871, 20999), (913, 20033), (1079, 16951), (1541, 11869), (1909, 9581), (3289, 5561)]