18903434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{7883}}^1$

素因数の和:8005

約数の個数: 16

約数和(自身を含む): 31220640

約数和(自身を除く): 12317206

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 7883, 15766, 86713, 173426, 859247, 1718494, 9451717, 18903434]

約数ペア:

[(1, 18903434), (2, 9451717), (11, 1718494), (22, 859247), (109, 173426), (218, 86713), (1199, 15766), (2398, 7883)]