18519754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{7723}}^1$

素因数の和:7845

約数の個数: 16

約数和(自身を含む): 30587040

約数和(自身を除く): 12067286

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 7723, 15446, 84953, 169906, 841807, 1683614, 9259877, 18519754]

約数ペア:

[(1, 18519754), (2, 9259877), (11, 1683614), (22, 841807), (109, 169906), (218, 84953), (1199, 15446), (2398, 7723)]