19897108

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64601}}^1$

素因数の和:64623

約数の個数: 24

約数和(自身を含む): 43412544

約数和(自身を除く): 23515436

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64601, 129202, 258404, 452207, 710611, 904414, 1421222, 1808828, 2842444, 4974277, 9948554, 19897108]

約数ペア:

[(1, 19897108), (2, 9948554), (4, 4974277), (7, 2842444), (11, 1808828), (14, 1421222), (22, 904414), (28, 710611), (44, 452207), (77, 258404), (154, 129202), (308, 64601)]