19381827

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 26410112

約数和(自身を除く): 7028285

約数列:

[1, 3, 67, 201, 211, 457, 633, 1371, 14137, 30619, 42411, 91857, 96427, 289281, 6460609, 19381827]

約数ペア:

[(1, 19381827), (3, 6460609), (67, 289281), (201, 96427), (211, 91857), (457, 42411), (633, 30619), (1371, 14137)]