19912711

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1723}}^1$

素因数の和:1870

約数の個数: 16

約数和(自身を含む): 24715264

約数和(自身を除く): 4802553

約数列:

[1, 7, 13, 91, 127, 889, 1651, 1723, 11557, 12061, 22399, 156793, 218821, 1531747, 2844673, 19912711]

約数ペア:

[(1, 19912711), (7, 2844673), (13, 1531747), (91, 218821), (127, 156793), (889, 22399), (1651, 12061), (1723, 11557)]