19422627

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 30700032

約数和(自身を除く): 11277405

約数列:

[1, 3, 7, 21, 43, 129, 137, 157, 301, 411, 471, 903, 959, 1099, 2877, 3297, 5891, 6751, 17673, 20253, 21509, 41237, 47257, 64527, 123711, 141771, 150563, 451689, 924887, 2774661, 6474209, 19422627]

約数ペア:

[(1, 19422627), (3, 6474209), (7, 2774661), (21, 924887), (43, 451689), (129, 150563), (137, 141771), (157, 123711), (301, 64527), (411, 47257), (471, 41237), (903, 21509), (959, 20253), (1099, 17673), (2877, 6751), (3297, 5891)]