19725814

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{9511}}^1$

素因数の和:9591

約数の個数: 16

約数和(自身を含む): 31846176

約数和(自身を除く): 12120362

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 9511, 19022, 161687, 323374, 580171, 1160342, 9862907, 19725814]

約数ペア:

[(1, 19725814), (2, 9862907), (17, 1160342), (34, 580171), (61, 323374), (122, 161687), (1037, 19022), (2074, 9511)]