19864834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{3943}}^1$

素因数の和:4185

約数の個数: 16

約数和(自身を含む): 32656320

約数和(自身を除く): 12791486

約数列:

[1, 2, 11, 22, 229, 458, 2519, 3943, 5038, 7886, 43373, 86746, 902947, 1805894, 9932417, 19864834]

約数ペア:

[(1, 19864834), (2, 9932417), (11, 1805894), (22, 902947), (229, 86746), (458, 43373), (2519, 7886), (3943, 5038)]