18880036

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9497}}^1$

素因数の和:9579

約数の個数: 24

約数和(自身を含む): 38295936

約数和(自身を除く): 19415900

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 9497, 18994, 37988, 66479, 132958, 265916, 674287, 1348574, 2697148, 4720009, 9440018, 18880036]

約数ペア:

[(1, 18880036), (2, 9440018), (4, 4720009), (7, 2697148), (14, 1348574), (28, 674287), (71, 265916), (142, 132958), (284, 66479), (497, 37988), (994, 18994), (1988, 9497)]