18120856

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{1031}}^1$

素因数の和:1076

約数の個数: 32

約数和(自身を含む): 36842400

約数和(自身を除く): 18721544

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1031, 1352, 2062, 2197, 4124, 4394, 8248, 8788, 13403, 17576, 26806, 53612, 107224, 174239, 348478, 696956, 1393912, 2265107, 4530214, 9060428, 18120856]

約数ペア:

[(1, 18120856), (2, 9060428), (4, 4530214), (8, 2265107), (13, 1393912), (26, 696956), (52, 348478), (104, 174239), (169, 107224), (338, 53612), (676, 26806), (1031, 17576), (1352, 13403), (2062, 8788), (2197, 8248), (4124, 4394)]