18866522

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{1321}}^1$

素因数の和:1553

約数の個数: 16

約数和(自身を含む): 29237352

約数和(自身を除く): 10370830

約数列:

[1, 2, 37, 74, 193, 386, 1321, 2642, 7141, 14282, 48877, 97754, 254953, 509906, 9433261, 18866522]

約数ペア:

[(1, 18866522), (2, 9433261), (37, 509906), (74, 254953), (193, 97754), (386, 48877), (1321, 14282), (2642, 7141)]