19720822

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4289}}^1$

素因数の和:4332

約数の個数: 24

約数和(自身を含む): 34234200

約数和(自身を除く): 14513378

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4289, 4598, 8578, 47179, 81491, 94358, 162982, 518969, 896401, 1037938, 1792802, 9860411, 19720822]

約数ペア:

[(1, 19720822), (2, 9860411), (11, 1792802), (19, 1037938), (22, 896401), (38, 518969), (121, 162982), (209, 94358), (242, 81491), (418, 47179), (2299, 8578), (4289, 4598)]