18721453673

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{228989}}^1$

素因数の和:229352

約数の個数: 16

約数和(自身を含む): 21286910400

約数和(自身を除く): 2565456727

約数列:

[1, 13, 19, 247, 331, 4303, 6289, 81757, 228989, 2976857, 4350791, 56560283, 75795359, 985339667, 1440111821, 18721453673]

約数ペア:

[(1, 18721453673), (13, 1440111821), (19, 985339667), (247, 75795359), (331, 56560283), (4303, 4350791), (6289, 2976857), (81757, 228989)]