19147219

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12377}}^1$

素因数の和:12414

約数の個数: 16

約数和(自身を含む): 24954048

約数和(自身を除く): 5806829

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 12377, 86639, 160901, 210409, 1126307, 1472863, 2735317, 19147219]

約数ペア:

[(1, 19147219), (7, 2735317), (13, 1472863), (17, 1126307), (91, 210409), (119, 160901), (221, 86639), (1547, 12377)]