19993624

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 48280320

約数和(自身を除く): 28286696

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 43, 46, 56, 76, 86, 92, 133, 152, 161, 172, 184, 266, 301, 322, 344, 361, 437, 532, 602, 644, 722, 817, 874, 989, 1064, 1204, 1288, 1444, 1634, 1748, 1978, 2408, 2527, 2888, 3059, 3268, 3496, 3956, 5054, 5719, 6118, 6536, 6923, 7912, 8303, 10108, 11438, 12236, 13846, 15523, 16606, 18791, 20216, 22876, 24472, 27692, 31046, 33212, 37582, 45752, 55384, 58121, 62092, 66424, 75164, 108661, 116242, 124184, 131537, 150328, 217322, 232484, 263074, 357029, 434644, 464968, 526148, 714058, 869288, 1052296, 1428116, 2499203, 2856232, 4998406, 9996812, 19993624]

約数ペア:

[(1, 19993624), (2, 9996812), (4, 4998406), (7, 2856232), (8, 2499203), (14, 1428116), (19, 1052296), (23, 869288), (28, 714058), (38, 526148), (43, 464968), (46, 434644), (56, 357029), (76, 263074), (86, 232484), (92, 217322), (133, 150328), (152, 131537), (161, 124184), (172, 116242), (184, 108661), (266, 75164), (301, 66424), (322, 62092), (344, 58121), (361, 55384), (437, 45752), (532, 37582), (602, 33212), (644, 31046), (722, 27692), (817, 24472), (874, 22876), (989, 20216), (1064, 18791), (1204, 16606), (1288, 15523), (1444, 13846), (1634, 12236), (1748, 11438), (1978, 10108), (2408, 8303), (2527, 7912), (2888, 6923), (3059, 6536), (3268, 6118), (3496, 5719), (3956, 5054)]