19708696

素因数分解:

$2^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{997}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 42395040

約数和(自身を除く): 22686344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353, 706, 997, 1412, 1994, 2471, 2824, 3988, 4942, 6979, 7976, 9884, 13958, 19768, 27916, 55832, 351941, 703882, 1407764, 2463587, 2815528, 4927174, 9854348, 19708696]

約数ペア:

[(1, 19708696), (2, 9854348), (4, 4927174), (7, 2815528), (8, 2463587), (14, 1407764), (28, 703882), (56, 351941), (353, 55832), (706, 27916), (997, 19768), (1412, 13958), (1994, 9884), (2471, 7976), (2824, 6979), (3988, 4942)]