18998733

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11329}}^1$

素因数の和:11388

約数の個数: 16

約数和(自身を含む): 27917120

約数和(自身を除く): 8918387

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 11329, 33987, 147277, 441831, 487147, 1461441, 6332911, 18998733]

約数ペア:

[(1, 18998733), (3, 6332911), (13, 1461441), (39, 487147), (43, 441831), (129, 147277), (559, 33987), (1677, 11329)]