20171312

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9479}}^1$

素因数の和:9513

約数の個数: 40

約数和(自身を含む): 47020800

約数和(自身を除く): 26849488

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9479, 18958, 37916, 66353, 75832, 132706, 151664, 180101, 265412, 360202, 530824, 720404, 1061648, 1260707, 1440808, 2521414, 2881616, 5042828, 10085656, 20171312]

約数ペア:

[(1, 20171312), (2, 10085656), (4, 5042828), (7, 2881616), (8, 2521414), (14, 1440808), (16, 1260707), (19, 1061648), (28, 720404), (38, 530824), (56, 360202), (76, 265412), (112, 180101), (133, 151664), (152, 132706), (266, 75832), (304, 66353), (532, 37916), (1064, 18958), (2128, 9479)]