19638836

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17107}}^1$

素因数の和:17159

約数の個数: 24

約数和(自身を含む): 40238016

約数和(自身を除く): 20599180

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17107, 34214, 68428, 119749, 239498, 478996, 701387, 1402774, 2805548, 4909709, 9819418, 19638836]

約数ペア:

[(1, 19638836), (2, 9819418), (4, 4909709), (7, 2805548), (14, 1402774), (28, 701387), (41, 478996), (82, 239498), (164, 119749), (287, 68428), (574, 34214), (1148, 17107)]