19689076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8443}}^1$

素因数の和:8511

約数の個数: 24

約数和(自身を含む): 38301984

約数和(自身を除く): 18612908

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8443, 16886, 33772, 92873, 185746, 371492, 447479, 894958, 1789916, 4922269, 9844538, 19689076]

約数ペア:

[(1, 19689076), (2, 9844538), (4, 4922269), (11, 1789916), (22, 894958), (44, 447479), (53, 371492), (106, 185746), (212, 92873), (583, 33772), (1166, 16886), (2332, 8443)]