19881876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6397}}^1$

素因数の和:6448

約数の個数: 48

約数和(自身を含む): 54459776

約数和(自身を除く): 34577900

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6397, 12794, 19191, 25588, 38382, 44779, 76764, 89558, 134337, 179116, 236689, 268674, 473378, 537348, 710067, 946756, 1420134, 1656823, 2840268, 3313646, 4970469, 6627292, 9940938, 19881876]

約数ペア:

[(1, 19881876), (2, 9940938), (3, 6627292), (4, 4970469), (6, 3313646), (7, 2840268), (12, 1656823), (14, 1420134), (21, 946756), (28, 710067), (37, 537348), (42, 473378), (74, 268674), (84, 236689), (111, 179116), (148, 134337), (222, 89558), (259, 76764), (444, 44779), (518, 38382), (777, 25588), (1036, 19191), (1554, 12794), (3108, 6397)]