19691390

素因数分解:

$2^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{4253}}^1$

素因数の和:4723

約数の個数: 16

約数和(自身を含む): 35529408

約数和(自身を除く): 15838018

約数列:

[1, 2, 5, 10, 463, 926, 2315, 4253, 4630, 8506, 21265, 42530, 1969139, 3938278, 9845695, 19691390]

約数ペア:

[(1, 19691390), (2, 9845695), (5, 3938278), (10, 1969139), (463, 42530), (926, 21265), (2315, 8506), (4253, 4630)]