31989008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{105227}}^1$

素因数の和:105254

約数の個数: 20

約数和(自身を含む): 65241360

約数和(自身を除く): 33252352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 105227, 210454, 420908, 841816, 1683632, 1999313, 3998626, 7997252, 15994504, 31989008]

約数ペア:

[(1, 31989008), (2, 15994504), (4, 7997252), (8, 3998626), (16, 1999313), (19, 1683632), (38, 841816), (76, 420908), (152, 210454), (304, 105227)]