19364368

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8707}}^1$

素因数の和:8854

約数の個数: 20

約数和(自身を含む): 37792720

約数和(自身を除く): 18428352

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8707, 17414, 34828, 69656, 139312, 1210273, 2420546, 4841092, 9682184, 19364368]

約数ペア:

[(1, 19364368), (2, 9682184), (4, 4841092), (8, 2420546), (16, 1210273), (139, 139312), (278, 69656), (556, 34828), (1112, 17414), (2224, 8707)]