17940188

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 37196544

約数和(自身を除く): 19256356

約数列:

[1, 2, 4, 7, 14, 28, 67, 73, 131, 134, 146, 262, 268, 292, 469, 511, 524, 917, 938, 1022, 1834, 1876, 2044, 3668, 4891, 8777, 9563, 9782, 17554, 19126, 19564, 34237, 35108, 38252, 61439, 66941, 68474, 122878, 133882, 136948, 245756, 267764, 640721, 1281442, 2562884, 4485047, 8970094, 17940188]

約数ペア:

[(1, 17940188), (2, 8970094), (4, 4485047), (7, 2562884), (14, 1281442), (28, 640721), (67, 267764), (73, 245756), (131, 136948), (134, 133882), (146, 122878), (262, 68474), (268, 66941), (292, 61439), (469, 38252), (511, 35108), (524, 34237), (917, 19564), (938, 19126), (1022, 17554), (1834, 9782), (1876, 9563), (2044, 8777), (3668, 4891)]