19763705

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 27054720

約数和(自身を除く): 7291015

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 1231, 1235, 3211, 6155, 16003, 16055, 23389, 80015, 116945, 208039, 304057, 1040195, 1520285, 3952741, 19763705]

約数ペア:

[(1, 19763705), (5, 3952741), (13, 1520285), (19, 1040195), (65, 304057), (95, 208039), (169, 116945), (247, 80015), (845, 23389), (1231, 16055), (1235, 16003), (3211, 6155)]