19490471

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19471}}^1$

素因数の和:19502

約数の個数: 16

約数和(自身を含む): 26170368

約数和(自身を除く): 6679897

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 19471, 136297, 214181, 253123, 1499267, 1771861, 2784353, 19490471]

約数ペア:

[(1, 19490471), (7, 2784353), (11, 1771861), (13, 1499267), (77, 253123), (91, 214181), (143, 136297), (1001, 19471)]