19958664

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 60134400

約数和(自身を除く): 40175736

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 23, 24, 33, 38, 44, 46, 57, 66, 69, 76, 88, 92, 114, 132, 138, 152, 173, 184, 209, 228, 253, 264, 276, 346, 418, 437, 456, 506, 519, 552, 627, 692, 759, 836, 874, 1012, 1038, 1254, 1311, 1384, 1518, 1672, 1748, 1903, 2024, 2076, 2508, 2622, 3036, 3287, 3496, 3806, 3979, 4152, 4807, 5016, 5244, 5709, 6072, 6574, 7612, 7958, 9614, 9861, 10488, 11418, 11937, 13148, 14421, 15224, 15916, 19228, 19722, 22836, 23874, 26296, 28842, 31832, 36157, 38456, 39444, 43769, 45672, 47748, 57684, 72314, 75601, 78888, 87538, 95496, 108471, 115368, 131307, 144628, 151202, 175076, 216942, 226803, 262614, 289256, 302404, 350152, 433884, 453606, 525228, 604808, 831611, 867768, 907212, 1050456, 1663222, 1814424, 2494833, 3326444, 4989666, 6652888, 9979332, 19958664]

約数ペア:

[(1, 19958664), (2, 9979332), (3, 6652888), (4, 4989666), (6, 3326444), (8, 2494833), (11, 1814424), (12, 1663222), (19, 1050456), (22, 907212), (23, 867768), (24, 831611), (33, 604808), (38, 525228), (44, 453606), (46, 433884), (57, 350152), (66, 302404), (69, 289256), (76, 262614), (88, 226803), (92, 216942), (114, 175076), (132, 151202), (138, 144628), (152, 131307), (173, 115368), (184, 108471), (209, 95496), (228, 87538), (253, 78888), (264, 75601), (276, 72314), (346, 57684), (418, 47748), (437, 45672), (456, 43769), (506, 39444), (519, 38456), (552, 36157), (627, 31832), (692, 28842), (759, 26296), (836, 23874), (874, 22836), (1012, 19722), (1038, 19228), (1254, 15916), (1311, 15224), (1384, 14421), (1518, 13148), (1672, 11937), (1748, 11418), (1903, 10488), (2024, 9861), (2076, 9614), (2508, 7958), (2622, 7612), (3036, 6574), (3287, 6072), (3496, 5709), (3806, 5244), (3979, 5016), (4152, 4807)]