18539339

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4969}}^1$

素因数の和:5030

約数の個数: 16

約数和(自身を含む): 23378880

約数和(自身を除く): 4839541

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 4969, 34783, 64597, 203729, 452179, 1426103, 2648477, 18539339]

約数ペア:

[(1, 18539339), (7, 2648477), (13, 1426103), (41, 452179), (91, 203729), (287, 64597), (533, 34783), (3731, 4969)]