19911144

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 54720000

約数和(自身を除く): 34808856

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 199, 264, 379, 398, 597, 758, 796, 1137, 1194, 1516, 1592, 2189, 2274, 2388, 3032, 4169, 4378, 4548, 4776, 6567, 8338, 8756, 9096, 12507, 13134, 16676, 17512, 25014, 26268, 33352, 50028, 52536, 75421, 100056, 150842, 226263, 301684, 452526, 603368, 829631, 905052, 1659262, 1810104, 2488893, 3318524, 4977786, 6637048, 9955572, 19911144]

約数ペア:

[(1, 19911144), (2, 9955572), (3, 6637048), (4, 4977786), (6, 3318524), (8, 2488893), (11, 1810104), (12, 1659262), (22, 905052), (24, 829631), (33, 603368), (44, 452526), (66, 301684), (88, 226263), (132, 150842), (199, 100056), (264, 75421), (379, 52536), (398, 50028), (597, 33352), (758, 26268), (796, 25014), (1137, 17512), (1194, 16676), (1516, 13134), (1592, 12507), (2189, 9096), (2274, 8756), (2388, 8338), (3032, 6567), (4169, 4776), (4378, 4548)]