19661782

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{7129}}^1$

素因数の和:7335

約数の個数: 16

約数和(自身を含む): 33881760

約数和(自身を除く): 14219978

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 7129, 14258, 49903, 99806, 1404413, 2808826, 9830891, 19661782]

約数ペア:

[(1, 19661782), (2, 9830891), (7, 2808826), (14, 1404413), (197, 99806), (394, 49903), (1379, 14258), (2758, 7129)]