19910726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{853}}^1\times {\mathrm{1061}}^1$

素因数の和:1927

約数の個数: 16

約数和(自身を含む): 32650128

約数和(自身を除く): 12739402

約数列:

[1, 2, 11, 22, 853, 1061, 1706, 2122, 9383, 11671, 18766, 23342, 905033, 1810066, 9955363, 19910726]

約数ペア:

[(1, 19910726), (2, 9955363), (11, 1810066), (22, 905033), (853, 23342), (1061, 18766), (1706, 11671), (2122, 9383)]