19450178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8111}}^1$

素因数の和:8233

約数の個数: 16

約数和(自身を含む): 32123520

約数和(自身を除く): 12673342

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8111, 16222, 89221, 178442, 884099, 1768198, 9725089, 19450178]

約数ペア:

[(1, 19450178), (2, 9725089), (11, 1768198), (22, 884099), (109, 178442), (218, 89221), (1199, 16222), (2398, 8111)]