18881570974

素因数分解:

$2^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{2185873}}^1$

素因数の和:2186499

約数の個数: 16

約数和(自身を含む): 32420883168

約数和(自身を除く): 13539312194

約数列:

[1, 2, 7, 14, 617, 1234, 4319, 8638, 2185873, 4371746, 15301111, 30602222, 1348683641, 2697367282, 9440785487, 18881570974]

約数ペア:

[(1, 18881570974), (2, 9440785487), (7, 2697367282), (14, 1348683641), (617, 30602222), (1234, 15301111), (4319, 4371746), (8638, 2185873)]