19908864

素因数分解:

$2^8\times 3^2\times {\mathrm{8641}}^1$

素因数の和:8663

約数の個数: 54

約数和(自身を含む): 57408806

約数和(自身を除く): 37499942

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 8641, 17282, 25923, 34564, 51846, 69128, 77769, 103692, 138256, 155538, 207384, 276512, 311076, 414768, 553024, 622152, 829536, 1106048, 1244304, 1659072, 2212096, 2488608, 3318144, 4977216, 6636288, 9954432, 19908864]

約数ペア:

[(1, 19908864), (2, 9954432), (3, 6636288), (4, 4977216), (6, 3318144), (8, 2488608), (9, 2212096), (12, 1659072), (16, 1244304), (18, 1106048), (24, 829536), (32, 622152), (36, 553024), (48, 414768), (64, 311076), (72, 276512), (96, 207384), (128, 155538), (144, 138256), (192, 103692), (256, 77769), (288, 69128), (384, 51846), (576, 34564), (768, 25923), (1152, 17282), (2304, 8641)]