19719381

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{947}}^1$

素因数の和:1592

約数の個数: 16

約数和(自身を含む): 28758528

約数和(自身を除く): 9039147

約数列:

[1, 3, 11, 33, 631, 947, 1893, 2841, 6941, 10417, 20823, 31251, 597557, 1792671, 6573127, 19719381]

約数ペア:

[(1, 19719381), (3, 6573127), (11, 1792671), (33, 597557), (631, 31251), (947, 20823), (1893, 10417), (2841, 6941)]