18897956

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61357}}^1$

素因数の和:61379

約数の個数: 24

約数和(自身を含む): 41232576

約数和(自身を除く): 22334620

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 61357, 122714, 245428, 429499, 674927, 858998, 1349854, 1717996, 2699708, 4724489, 9448978, 18897956]

約数ペア:

[(1, 18897956), (2, 9448978), (4, 4724489), (7, 2699708), (11, 1717996), (14, 1349854), (22, 858998), (28, 674927), (44, 429499), (77, 245428), (154, 122714), (308, 61357)]