1919698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1313

約数の個数: 16

約数和(自身を含む): 3188160

約数和(自身を除く): 1268462

約数列:

[1, 2, 11, 22, 71, 142, 781, 1229, 1562, 2458, 13519, 27038, 87259, 174518, 959849, 1919698]

約数ペア:

[(1, 1919698), (2, 959849), (11, 174518), (22, 87259), (71, 27038), (142, 13519), (781, 2458), (1229, 1562)]