18164641

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 21373632

約数和(自身を除く): 3208991

約数列:

[1, 11, 23, 61, 107, 121, 253, 671, 1177, 1403, 2461, 2783, 6527, 7381, 12947, 15433, 27071, 71797, 150121, 169763, 297781, 789767, 1651331, 18164641]

約数ペア:

[(1, 18164641), (11, 1651331), (23, 789767), (61, 297781), (107, 169763), (121, 150121), (253, 71797), (671, 27071), (1177, 15433), (1403, 12947), (2461, 7381), (2783, 6527)]