19217044

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 42932736

約数和(自身を除く): 23715692

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 154, 172, 301, 308, 473, 602, 946, 1204, 1451, 1892, 2902, 3311, 5804, 6622, 10157, 13244, 15961, 20314, 31922, 40628, 62393, 63844, 111727, 124786, 223454, 249572, 436751, 446908, 686323, 873502, 1372646, 1747004, 2745292, 4804261, 9608522, 19217044]

約数ペア:

[(1, 19217044), (2, 9608522), (4, 4804261), (7, 2745292), (11, 1747004), (14, 1372646), (22, 873502), (28, 686323), (43, 446908), (44, 436751), (77, 249572), (86, 223454), (154, 124786), (172, 111727), (301, 63844), (308, 62393), (473, 40628), (602, 31922), (946, 20314), (1204, 15961), (1451, 13244), (1892, 10157), (2902, 6622), (3311, 5804)]