19903660164

素因数分解:

$2^2\times 3^2\times {\mathrm{1217}}^1\times {\mathrm{454297}}^1$

素因数の和:455524

約数の個数: 36

約数和(自身を含む): 50353481724

約数和(自身を除く): 30449821560

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1217, 2434, 3651, 4868, 7302, 10953, 14604, 21906, 43812, 454297, 908594, 1362891, 1817188, 2725782, 4088673, 5451564, 8177346, 16354692, 552879449, 1105758898, 1658638347, 2211517796, 3317276694, 4975915041, 6634553388, 9951830082, 19903660164]

約数ペア:

[(1, 19903660164), (2, 9951830082), (3, 6634553388), (4, 4975915041), (6, 3317276694), (9, 2211517796), (12, 1658638347), (18, 1105758898), (36, 552879449), (1217, 16354692), (2434, 8177346), (3651, 5451564), (4868, 4088673), (7302, 2725782), (10953, 1817188), (14604, 1362891), (21906, 908594), (43812, 454297)]