18639777

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10169}}^1$

素因数の和:10232

約数の個数: 16

約数和(自身を含む): 27336960

約数和(自身を除く): 8697183

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 10169, 30507, 132197, 396591, 477943, 1433829, 6213259, 18639777]

約数ペア:

[(1, 18639777), (3, 6213259), (13, 1433829), (39, 477943), (47, 396591), (141, 132197), (611, 30507), (1833, 10169)]