19201754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67139}}^1$

素因数の和:67165

約数の個数: 16

約数和(自身を含む): 33838560

約数和(自身を除く): 14636806

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 67139, 134278, 738529, 872807, 1477058, 1745614, 9600877, 19201754]

約数ペア:

[(1, 19201754), (2, 9600877), (11, 1745614), (13, 1477058), (22, 872807), (26, 738529), (143, 134278), (286, 67139)]