18420954

素因数分解:

$2^1\times 3^1\times {\mathrm{271}}^1\times {\mathrm{11329}}^1$

素因数の和:11605

約数の個数: 16

約数和(自身を含む): 36981120

約数和(自身を除く): 18560166

約数列:

[1, 2, 3, 6, 271, 542, 813, 1626, 11329, 22658, 33987, 67974, 3070159, 6140318, 9210477, 18420954]

約数ペア:

[(1, 18420954), (2, 9210477), (3, 6140318), (6, 3070159), (271, 67974), (542, 33987), (813, 22658), (1626, 11329)]