19700128

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2837}}^1$

素因数の和:2885

約数の個数: 48

約数和(自身を含む): 45771264

約数和(自身を除く): 26071136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 2837, 3472, 5674, 6944, 11348, 19859, 22696, 39718, 45392, 79436, 87947, 90784, 158872, 175894, 317744, 351788, 615629, 635488, 703576, 1231258, 1407152, 2462516, 2814304, 4925032, 9850064, 19700128]

約数ペア:

[(1, 19700128), (2, 9850064), (4, 4925032), (7, 2814304), (8, 2462516), (14, 1407152), (16, 1231258), (28, 703576), (31, 635488), (32, 615629), (56, 351788), (62, 317744), (112, 175894), (124, 158872), (217, 90784), (224, 87947), (248, 79436), (434, 45392), (496, 39718), (868, 22696), (992, 19859), (1736, 11348), (2837, 6944), (3472, 5674)]