19677438

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 48234240

約数和(自身を除く): 28556802

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 157, 198, 211, 297, 314, 422, 471, 594, 633, 942, 1266, 1413, 1727, 1899, 2321, 2826, 3454, 3798, 4239, 4642, 5181, 5697, 6963, 8478, 10362, 11394, 13926, 15543, 20889, 31086, 33127, 41778, 46629, 62667, 66254, 93258, 99381, 125334, 198762, 298143, 364397, 596286, 728794, 894429, 1093191, 1788858, 2186382, 3279573, 6559146, 9838719, 19677438]

約数ペア:

[(1, 19677438), (2, 9838719), (3, 6559146), (6, 3279573), (9, 2186382), (11, 1788858), (18, 1093191), (22, 894429), (27, 728794), (33, 596286), (54, 364397), (66, 298143), (99, 198762), (157, 125334), (198, 99381), (211, 93258), (297, 66254), (314, 62667), (422, 46629), (471, 41778), (594, 33127), (633, 31086), (942, 20889), (1266, 15543), (1413, 13926), (1727, 11394), (1899, 10362), (2321, 8478), (2826, 6963), (3454, 5697), (3798, 5181), (4239, 4642)]