18886196

素因数分解:

$2^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1049}}^1$

素因数の和:1703

約数の個数: 24

約数和(自身を含む): 37867200

約数和(自身を除く): 18981004

約数列:

[1, 2, 4, 7, 14, 28, 643, 1049, 1286, 2098, 2572, 4196, 4501, 7343, 9002, 14686, 18004, 29372, 674507, 1349014, 2698028, 4721549, 9443098, 18886196]

約数ペア:

[(1, 18886196), (2, 9443098), (4, 4721549), (7, 2698028), (14, 1349014), (28, 674507), (643, 29372), (1049, 18004), (1286, 14686), (2098, 9002), (2572, 7343), (4196, 4501)]