18781607428

素因数分解:

$2^2\times {\mathrm{263}}^1\times {\mathrm{1291}}^1\times {\mathrm{13829}}^1$

素因数の和:15387

約数の個数: 24

約数和(自身を含む): 33020729280

約数和(自身を除く): 14239121852

約数列:

[1, 2, 4, 263, 526, 1052, 1291, 2582, 5164, 13829, 27658, 55316, 339533, 679066, 1358132, 3637027, 7274054, 14548108, 17853239, 35706478, 71412956, 4695401857, 9390803714, 18781607428]

約数ペア:

[(1, 18781607428), (2, 9390803714), (4, 4695401857), (263, 71412956), (526, 35706478), (1052, 17853239), (1291, 14548108), (2582, 7274054), (5164, 3637027), (13829, 1358132), (27658, 679066), (55316, 339533)]