17987792

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{9949}}^1$

素因数の和:10070

約数の個数: 20

約数和(自身を含む): 35163300

約数和(自身を除く): 17175508

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 9949, 19898, 39796, 79592, 159184, 1124237, 2248474, 4496948, 8993896, 17987792]

約数ペア:

[(1, 17987792), (2, 8993896), (4, 4496948), (8, 2248474), (16, 1124237), (113, 159184), (226, 79592), (452, 39796), (904, 19898), (1808, 9949)]