18561956

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9337}}^1$

素因数の和:9419

約数の個数: 24

約数和(自身を含む): 37650816

約数和(自身を除く): 19088860

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 9337, 18674, 37348, 65359, 130718, 261436, 662927, 1325854, 2651708, 4640489, 9280978, 18561956]

約数ペア:

[(1, 18561956), (2, 9280978), (4, 4640489), (7, 2651708), (14, 1325854), (28, 662927), (71, 261436), (142, 130718), (284, 65359), (497, 37348), (994, 18674), (1988, 9337)]