18778973864

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5005057}}^1$

素因数の和:5005137

約数の個数: 32

約数和(自身を含む): 40841273280

約数和(自身を除く): 22062299416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5005057, 10010114, 20020228, 35035399, 40040456, 70070798, 140141596, 280283192, 335338819, 670677638, 1341355276, 2347371733, 2682710552, 4694743466, 9389486932, 18778973864]

約数ペア:

[(1, 18778973864), (2, 9389486932), (4, 4694743466), (7, 2682710552), (8, 2347371733), (14, 1341355276), (28, 670677638), (56, 335338819), (67, 280283192), (134, 140141596), (268, 70070798), (469, 40040456), (536, 35035399), (938, 20020228), (1876, 10010114), (3752, 5005057)]