19819954

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{719}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 17504846

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 179, 358, 719, 1253, 1438, 1969, 2506, 3938, 5033, 7909, 10066, 13783, 15818, 27566, 55363, 110726, 128701, 257402, 900907, 1415711, 1801814, 2831422, 9909977, 19819954]

約数ペア:

[(1, 19819954), (2, 9909977), (7, 2831422), (11, 1801814), (14, 1415711), (22, 900907), (77, 257402), (154, 128701), (179, 110726), (358, 55363), (719, 27566), (1253, 15818), (1438, 13783), (1969, 10066), (2506, 7909), (3938, 5033)]