19996526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:376

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 13969042

約数列:

[1, 2, 11, 22, 47, 83, 94, 166, 233, 466, 517, 913, 1034, 1826, 2563, 3901, 5126, 7802, 10951, 19339, 21902, 38678, 42911, 85822, 120461, 212729, 240922, 425458, 908933, 1817866, 9998263, 19996526]

約数ペア:

[(1, 19996526), (2, 9998263), (11, 1817866), (22, 908933), (47, 425458), (83, 240922), (94, 212729), (166, 120461), (233, 85822), (466, 42911), (517, 38678), (913, 21902), (1034, 19339), (1826, 10951), (2563, 7802), (3901, 5126)]