18783248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 43122240

約数和(自身を除く): 24338992

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 41, 44, 76, 82, 88, 137, 152, 164, 176, 209, 274, 304, 328, 418, 451, 548, 656, 779, 836, 902, 1096, 1507, 1558, 1672, 1804, 2192, 2603, 3014, 3116, 3344, 3608, 5206, 5617, 6028, 6232, 7216, 8569, 10412, 11234, 12056, 12464, 17138, 20824, 22468, 24112, 28633, 34276, 41648, 44936, 57266, 61787, 68552, 89872, 106723, 114532, 123574, 137104, 213446, 229064, 247148, 426892, 458128, 494296, 853784, 988592, 1173953, 1707568, 2347906, 4695812, 9391624, 18783248]

約数ペア:

[(1, 18783248), (2, 9391624), (4, 4695812), (8, 2347906), (11, 1707568), (16, 1173953), (19, 988592), (22, 853784), (38, 494296), (41, 458128), (44, 426892), (76, 247148), (82, 229064), (88, 213446), (137, 137104), (152, 123574), (164, 114532), (176, 106723), (209, 89872), (274, 68552), (304, 61787), (328, 57266), (418, 44936), (451, 41648), (548, 34276), (656, 28633), (779, 24112), (836, 22468), (902, 20824), (1096, 17138), (1507, 12464), (1558, 12056), (1672, 11234), (1804, 10412), (2192, 8569), (2603, 7216), (3014, 6232), (3116, 6028), (3344, 5617), (3608, 5206)]