19993776

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2034

約数の個数: 80

約数和(自身を含む): 59341440

約数和(自身を除く): 39347664

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 132, 152, 176, 209, 228, 264, 304, 418, 456, 528, 627, 836, 912, 1254, 1672, 1993, 2508, 3344, 3986, 5016, 5979, 7972, 10032, 11958, 15944, 21923, 23916, 31888, 37867, 43846, 47832, 65769, 75734, 87692, 95664, 113601, 131538, 151468, 175384, 227202, 263076, 302936, 350768, 416537, 454404, 526152, 605872, 833074, 908808, 1052304, 1249611, 1666148, 1817616, 2499222, 3332296, 4998444, 6664592, 9996888, 19993776]

約数ペア:

[(1, 19993776), (2, 9996888), (3, 6664592), (4, 4998444), (6, 3332296), (8, 2499222), (11, 1817616), (12, 1666148), (16, 1249611), (19, 1052304), (22, 908808), (24, 833074), (33, 605872), (38, 526152), (44, 454404), (48, 416537), (57, 350768), (66, 302936), (76, 263076), (88, 227202), (114, 175384), (132, 151468), (152, 131538), (176, 113601), (209, 95664), (228, 87692), (264, 75734), (304, 65769), (418, 47832), (456, 43846), (528, 37867), (627, 31888), (836, 23916), (912, 21923), (1254, 15944), (1672, 11958), (1993, 10032), (2508, 7972), (3344, 5979), (3986, 5016)]