18851287

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10903}}^1$

素因数の和:10942

約数の個数: 16

約数和(自身を含む): 24424960

約数和(自身を除く): 5573673

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 10903, 76321, 141739, 207157, 992173, 1450099, 2693041, 18851287]

約数ペア:

[(1, 18851287), (7, 2693041), (13, 1450099), (19, 992173), (91, 207157), (133, 141739), (247, 76321), (1729, 10903)]