19913842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{797}}^1$

素因数の和:874

約数の個数: 24

約数和(自身を含む): 33281388

約数和(自身を除く): 13367546

約数列:

[1, 2, 13, 26, 31, 62, 403, 797, 806, 961, 1594, 1922, 10361, 12493, 20722, 24707, 24986, 49414, 321191, 642382, 765917, 1531834, 9956921, 19913842]

約数ペア:

[(1, 19913842), (2, 9956921), (13, 1531834), (26, 765917), (31, 642382), (62, 321191), (403, 49414), (797, 24986), (806, 24707), (961, 20722), (1594, 12493), (1922, 10361)]