18415534

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{557}}^1$

素因数の和:891

約数の個数: 16

約数和(自身を含む): 28230336

約数和(自身を除く): 9814802

約数列:

[1, 2, 61, 122, 271, 542, 557, 1114, 16531, 33062, 33977, 67954, 150947, 301894, 9207767, 18415534]

約数ペア:

[(1, 18415534), (2, 9207767), (61, 301894), (122, 150947), (271, 67954), (542, 33977), (557, 33062), (1114, 16531)]