19991934

素因数分解:

$2^1\times 3^4\times {\mathrm{123407}}^1$

素因数の和:123421

約数の個数: 20

約数和(自身を含む): 44797104

約数和(自身を除く): 24805170

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 123407, 246814, 370221, 740442, 1110663, 2221326, 3331989, 6663978, 9995967, 19991934]

約数ペア:

[(1, 19991934), (2, 9995967), (3, 6663978), (6, 3331989), (9, 2221326), (18, 1110663), (27, 740442), (54, 370221), (81, 246814), (162, 123407)]