18721024

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 44215808

約数和(自身を除く): 25494784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 337, 434, 448, 496, 674, 868, 896, 992, 1348, 1736, 1792, 1984, 2359, 2696, 3472, 3968, 4718, 5392, 6944, 7936, 9436, 10447, 10784, 13888, 18872, 20894, 21568, 27776, 37744, 41788, 43136, 55552, 73129, 75488, 83576, 86272, 146258, 150976, 167152, 292516, 301952, 334304, 585032, 603904, 668608, 1170064, 1337216, 2340128, 2674432, 4680256, 9360512, 18721024]

約数ペア:

[(1, 18721024), (2, 9360512), (4, 4680256), (7, 2674432), (8, 2340128), (14, 1337216), (16, 1170064), (28, 668608), (31, 603904), (32, 585032), (56, 334304), (62, 301952), (64, 292516), (112, 167152), (124, 150976), (128, 146258), (217, 86272), (224, 83576), (248, 75488), (256, 73129), (337, 55552), (434, 43136), (448, 41788), (496, 37744), (674, 27776), (868, 21568), (896, 20894), (992, 18872), (1348, 13888), (1736, 10784), (1792, 10447), (1984, 9436), (2359, 7936), (2696, 6944), (3472, 5392), (3968, 4718)]