212499458

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{17981}}^1$

素因数の和:18313

約数の個数: 16

約数和(自身を含む): 336623040

約数和(自身を除く): 124123582

約数列:

[1, 2, 19, 38, 311, 622, 5909, 11818, 17981, 35962, 341639, 683278, 5592091, 11184182, 106249729, 212499458]

約数ペア:

[(1, 212499458), (2, 106249729), (19, 11184182), (38, 5592091), (311, 683278), (622, 341639), (5909, 35962), (11818, 17981)]