19160739

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 31001600

約数和(自身を除く): 11840861

約数列:

[1, 3, 9, 13, 27, 39, 79, 117, 237, 351, 691, 711, 1027, 2073, 2133, 3081, 6219, 8983, 9243, 18657, 26949, 27729, 54589, 80847, 163767, 242541, 491301, 709657, 1473903, 2128971, 6386913, 19160739]

約数ペア:

[(1, 19160739), (3, 6386913), (9, 2128971), (13, 1473903), (27, 709657), (39, 491301), (79, 242541), (117, 163767), (237, 80847), (351, 54589), (691, 27729), (711, 26949), (1027, 18657), (2073, 9243), (2133, 8983), (3081, 6219)]