18880274

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{13903}}^1$

素因数の和:14009

約数の個数: 16

約数和(自身を含む): 32702208

約数和(自身を除く): 13821934

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 13903, 27806, 97321, 194642, 1348591, 2697182, 9440137, 18880274]

約数ペア:

[(1, 18880274), (2, 9440137), (7, 2697182), (14, 1348591), (97, 194642), (194, 97321), (679, 27806), (1358, 13903)]