19937783

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 21888000

約数和(自身を除く): 1950217

約数列:

[1, 19, 37, 79, 359, 703, 1501, 2923, 6821, 13283, 28361, 55537, 252377, 538859, 1049357, 19937783]

約数ペア:

[(1, 19937783), (19, 1049357), (37, 538859), (79, 252377), (359, 55537), (703, 28361), (1501, 13283), (2923, 6821)]