18868976

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8867}}^1$

素因数の和:8901

約数の個数: 40

約数和(自身を含む): 43985280

約数和(自身を除く): 25116304

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 8867, 17734, 35468, 62069, 70936, 124138, 141872, 168473, 248276, 336946, 496552, 673892, 993104, 1179311, 1347784, 2358622, 2695568, 4717244, 9434488, 18868976]

約数ペア:

[(1, 18868976), (2, 9434488), (4, 4717244), (7, 2695568), (8, 2358622), (14, 1347784), (16, 1179311), (19, 993104), (28, 673892), (38, 496552), (56, 336946), (76, 248276), (112, 168473), (133, 141872), (152, 124138), (266, 70936), (304, 62069), (532, 35468), (1064, 17734), (2128, 8867)]