18772338

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 43021440

約数和(自身を除く): 24249102

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 43, 58, 78, 86, 87, 129, 174, 193, 258, 377, 386, 559, 579, 754, 1118, 1131, 1158, 1247, 1677, 2262, 2494, 2509, 3354, 3741, 5018, 5597, 7482, 7527, 8299, 11194, 15054, 16211, 16598, 16791, 24897, 32422, 33582, 48633, 49794, 72761, 97266, 107887, 145522, 215774, 218283, 240671, 323661, 436566, 481342, 647322, 722013, 1444026, 3128723, 6257446, 9386169, 18772338]

約数ペア:

[(1, 18772338), (2, 9386169), (3, 6257446), (6, 3128723), (13, 1444026), (26, 722013), (29, 647322), (39, 481342), (43, 436566), (58, 323661), (78, 240671), (86, 218283), (87, 215774), (129, 145522), (174, 107887), (193, 97266), (258, 72761), (377, 49794), (386, 48633), (559, 33582), (579, 32422), (754, 24897), (1118, 16791), (1131, 16598), (1158, 16211), (1247, 15054), (1677, 11194), (2262, 8299), (2494, 7527), (2509, 7482), (3354, 5597), (3741, 5018)]