19512086974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1\times {\mathrm{1087}}^1$

素因数の和:1913

約数の個数: 64

約数和(自身を含む): 33577943040

約数和(自身を除く): 14065856066

約数列:

[1, 2, 17, 19, 34, 37, 38, 74, 323, 629, 646, 703, 751, 1087, 1258, 1406, 1502, 2174, 11951, 12767, 14269, 18479, 20653, 23902, 25534, 27787, 28538, 36958, 40219, 41306, 55574, 80438, 242573, 351101, 472379, 485146, 527953, 683723, 702202, 764161, 816337, 944758, 1055906, 1367446, 1528322, 1632674, 8975201, 12990737, 13877729, 15510403, 17950402, 25981474, 27755458, 30204469, 31020806, 60408938, 263676851, 513475973, 527353702, 573884911, 1026951946, 1147769822, 9756043487, 19512086974]

約数ペア:

[(1, 19512086974), (2, 9756043487), (17, 1147769822), (19, 1026951946), (34, 573884911), (37, 527353702), (38, 513475973), (74, 263676851), (323, 60408938), (629, 31020806), (646, 30204469), (703, 27755458), (751, 25981474), (1087, 17950402), (1258, 15510403), (1406, 13877729), (1502, 12990737), (2174, 8975201), (11951, 1632674), (12767, 1528322), (14269, 1367446), (18479, 1055906), (20653, 944758), (23902, 816337), (25534, 764161), (27787, 702202), (28538, 683723), (36958, 527953), (40219, 485146), (41306, 472379), (55574, 351101), (80438, 242573)]