18697804

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4957}}^1$

素因数の和:5025

約数の個数: 24

約数和(自身を含む): 34983648

約数和(自身を除く): 16285844

約数列:

[1, 2, 4, 23, 41, 46, 82, 92, 164, 943, 1886, 3772, 4957, 9914, 19828, 114011, 203237, 228022, 406474, 456044, 812948, 4674451, 9348902, 18697804]

約数ペア:

[(1, 18697804), (2, 9348902), (4, 4674451), (23, 812948), (41, 456044), (46, 406474), (82, 228022), (92, 203237), (164, 114011), (943, 19828), (1886, 9914), (3772, 4957)]