18478779

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{32939}}^1$

素因数の和:32970

約数の個数: 16

約数和(自身を含む): 28460160

約数和(自身を除く): 9981381

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 32939, 98817, 362329, 559963, 1086987, 1679889, 6159593, 18478779]

約数ペア:

[(1, 18478779), (3, 6159593), (11, 1679889), (17, 1086987), (33, 559963), (51, 362329), (187, 98817), (561, 32939)]