18135992

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{337}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 40276080

約数和(自身を除く): 22140088

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 337, 434, 674, 868, 961, 1348, 1736, 1922, 2359, 2696, 3844, 4718, 6727, 7688, 9436, 10447, 13454, 18872, 20894, 26908, 41788, 53816, 73129, 83576, 146258, 292516, 323857, 585032, 647714, 1295428, 2266999, 2590856, 4533998, 9067996, 18135992]

約数ペア:

[(1, 18135992), (2, 9067996), (4, 4533998), (7, 2590856), (8, 2266999), (14, 1295428), (28, 647714), (31, 585032), (56, 323857), (62, 292516), (124, 146258), (217, 83576), (248, 73129), (337, 53816), (434, 41788), (674, 26908), (868, 20894), (961, 18872), (1348, 13454), (1736, 10447), (1922, 9436), (2359, 7688), (2696, 6727), (3844, 4718)]