19813048

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{130349}}^1$

素因数の和:130374

約数の個数: 16

約数和(自身を含む): 39105000

約数和(自身を除く): 19291952

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 130349, 260698, 521396, 1042792, 2476631, 4953262, 9906524, 19813048]

約数ペア:

[(1, 19813048), (2, 9906524), (4, 4953262), (8, 2476631), (19, 1042792), (38, 521396), (76, 260698), (152, 130349)]