19953164

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64783}}^1$

素因数の和:64805

約数の個数: 24

約数和(自身を含む): 43534848

約数和(自身を除く): 23581684

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64783, 129566, 259132, 453481, 712613, 906962, 1425226, 1813924, 2850452, 4988291, 9976582, 19953164]

約数ペア:

[(1, 19953164), (2, 9976582), (4, 4988291), (7, 2850452), (11, 1813924), (14, 1425226), (22, 906962), (28, 712613), (44, 453481), (77, 259132), (154, 129566), (308, 64783)]