19858888367087

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{1747}}^1\times {\mathrm{21089839}}^1$

素因数の和:21091611

約数の個数: 24

約数和(自身を含む): 25215687578880

約数和(自身を除く): 5356799211793

約数列:

[1, 7, 11, 49, 77, 539, 1747, 12229, 19217, 85603, 134519, 941633, 21089839, 147628873, 231988229, 1033402111, 1623917603, 11367423221, 36843948733, 257907641131, 405283436063, 1805353487917, 2836984052441, 19858888367087]

約数ペア:

[(1, 19858888367087), (7, 2836984052441), (11, 1805353487917), (49, 405283436063), (77, 257907641131), (539, 36843948733), (1747, 11367423221), (12229, 1623917603), (19217, 1033402111), (85603, 231988229), (134519, 147628873), (941633, 21089839)]