19280828

素因数分解:

$2^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2243}}^1$

素因数の和:2561

約数の個数: 24

約数和(自身を含む): 38704512

約数和(自身を除く): 19423684

約数列:

[1, 2, 4, 7, 14, 28, 307, 614, 1228, 2149, 2243, 4298, 4486, 8596, 8972, 15701, 31402, 62804, 688601, 1377202, 2754404, 4820207, 9640414, 19280828]

約数ペア:

[(1, 19280828), (2, 9640414), (4, 4820207), (7, 2754404), (14, 1377202), (28, 688601), (307, 62804), (614, 31402), (1228, 15701), (2149, 8972), (2243, 8596), (4298, 4486)]