18531088

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{353}}^1$

素因数の和:571

約数の個数: 40

約数和(自身を含む): 38321208

約数和(自身を除く): 19790120

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 193, 272, 353, 386, 706, 772, 1412, 1544, 2824, 3088, 3281, 5648, 6001, 6562, 12002, 13124, 24004, 26248, 48008, 52496, 68129, 96016, 136258, 272516, 545032, 1090064, 1158193, 2316386, 4632772, 9265544, 18531088]

約数ペア:

[(1, 18531088), (2, 9265544), (4, 4632772), (8, 2316386), (16, 1158193), (17, 1090064), (34, 545032), (68, 272516), (136, 136258), (193, 96016), (272, 68129), (353, 52496), (386, 48008), (706, 26248), (772, 24004), (1412, 13124), (1544, 12002), (2824, 6562), (3088, 6001), (3281, 5648)]