2154419519

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{116537}}^1$

素因数の和:116702

約数の個数: 16

約数和(自身を含む): 2610451200

約数和(自身を除く): 456031681

約数列:

[1, 7, 19, 133, 139, 973, 2641, 18487, 116537, 815759, 2214203, 15499421, 16198643, 113390501, 307774217, 2154419519]

約数ペア:

[(1, 2154419519), (7, 307774217), (19, 113390501), (133, 16198643), (139, 15499421), (973, 2214203), (2641, 815759), (18487, 116537)]