18702984391

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{716123}}^1$

素因数の和:716191

約数の個数: 24

約数和(自身を含む): 24001611984

約数和(自身を除く): 5298627593

約数列:

[1, 7, 13, 41, 49, 91, 287, 533, 637, 2009, 3731, 26117, 716123, 5012861, 9309599, 29361043, 35090027, 65167193, 205527301, 381693559, 456170351, 1438691107, 2671854913, 18702984391]

約数ペア:

[(1, 18702984391), (7, 2671854913), (13, 1438691107), (41, 456170351), (49, 381693559), (91, 205527301), (287, 65167193), (533, 35090027), (637, 29361043), (2009, 9309599), (3731, 5012861), (26117, 716123)]