18941553

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1423}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 30758400

約数和(自身を除く): 11816847

約数列:

[1, 3, 9, 17, 27, 29, 51, 87, 153, 261, 459, 493, 783, 1423, 1479, 4269, 4437, 12807, 13311, 24191, 38421, 41267, 72573, 123801, 217719, 371403, 653157, 701539, 1114209, 2104617, 6313851, 18941553]

約数ペア:

[(1, 18941553), (3, 6313851), (9, 2104617), (17, 1114209), (27, 701539), (29, 653157), (51, 371403), (87, 217719), (153, 123801), (261, 72573), (459, 41267), (493, 38421), (783, 24191), (1423, 13311), (1479, 12807), (4269, 4437)]