18926824

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2467}}^1$

素因数の和:2617

約数の個数: 32

約数和(自身を含む): 40870080

約数和(自身を除く): 21943256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 2467, 3836, 4934, 7672, 9868, 17269, 19736, 34538, 69076, 138152, 337979, 675958, 1351916, 2365853, 2703832, 4731706, 9463412, 18926824]

約数ペア:

[(1, 18926824), (2, 9463412), (4, 4731706), (7, 2703832), (8, 2365853), (14, 1351916), (28, 675958), (56, 337979), (137, 138152), (274, 69076), (548, 34538), (959, 19736), (1096, 17269), (1918, 9868), (2467, 7672), (3836, 4934)]