18834156

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 52416000

約数和(自身を除く): 33581844

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 199, 239, 396, 398, 478, 597, 717, 796, 956, 1194, 1434, 1791, 2151, 2189, 2388, 2629, 2868, 3582, 4302, 4378, 5258, 6567, 7164, 7887, 8604, 8756, 10516, 13134, 15774, 19701, 23661, 26268, 31548, 39402, 47322, 47561, 78804, 94644, 95122, 142683, 190244, 285366, 428049, 523171, 570732, 856098, 1046342, 1569513, 1712196, 2092684, 3139026, 4708539, 6278052, 9417078, 18834156]

約数ペア:

[(1, 18834156), (2, 9417078), (3, 6278052), (4, 4708539), (6, 3139026), (9, 2092684), (11, 1712196), (12, 1569513), (18, 1046342), (22, 856098), (33, 570732), (36, 523171), (44, 428049), (66, 285366), (99, 190244), (132, 142683), (198, 95122), (199, 94644), (239, 78804), (396, 47561), (398, 47322), (478, 39402), (597, 31548), (717, 26268), (796, 23661), (956, 19701), (1194, 15774), (1434, 13134), (1791, 10516), (2151, 8756), (2189, 8604), (2388, 7887), (2629, 7164), (2868, 6567), (3582, 5258), (4302, 4378)]