19785368

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{36913}}^1$

素因数の和:36986

約数の個数: 16

約数和(自身を含む): 37652280

約数和(自身を除く): 17866912

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 36913, 73826, 147652, 295304, 2473171, 4946342, 9892684, 19785368]

約数ペア:

[(1, 19785368), (2, 9892684), (4, 4946342), (8, 2473171), (67, 295304), (134, 147652), (268, 73826), (536, 36913)]