19991214

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{13381}}^1$

素因数の和:13472

約数の個数: 24

約数和(自身を含む): 43839432

約数和(自身を除く): 23848218

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 13381, 26762, 40143, 80286, 120429, 240858, 1110623, 2221246, 3331869, 6663738, 9995607, 19991214]

約数ペア:

[(1, 19991214), (2, 9995607), (3, 6663738), (6, 3331869), (9, 2221246), (18, 1110623), (83, 240858), (166, 120429), (249, 80286), (498, 40143), (747, 26762), (1494, 13381)]