18534591

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 28005120

約数和(自身を除く): 9470529

約数列:

[1, 3, 9, 43, 47, 129, 141, 387, 423, 1019, 2021, 3057, 6063, 9171, 18189, 43817, 47893, 131451, 143679, 394353, 431037, 2059399, 6178197, 18534591]

約数ペア:

[(1, 18534591), (3, 6178197), (9, 2059399), (43, 431037), (47, 394353), (129, 143679), (141, 131451), (387, 47893), (423, 43817), (1019, 18189), (2021, 9171), (3057, 6063)]