18806679

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 28051920

約数和(自身を除く): 9245241

約数列:

[1, 3, 9, 53, 89, 159, 267, 443, 477, 801, 1329, 3987, 4717, 14151, 23479, 39427, 42453, 70437, 118281, 211311, 354843, 2089631, 6268893, 18806679]

約数ペア:

[(1, 18806679), (3, 6268893), (9, 2089631), (53, 354843), (89, 211311), (159, 118281), (267, 70437), (443, 42453), (477, 39427), (801, 23479), (1329, 14151), (3987, 4717)]