18994060

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9403}}^1$

素因数の和:9513

約数の個数: 24

約数和(自身を含む): 40286736

約数和(自身を除く): 21292676

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9403, 18806, 37612, 47015, 94030, 188060, 949703, 1899406, 3798812, 4748515, 9497030, 18994060]

約数ペア:

[(1, 18994060), (2, 9497030), (4, 4748515), (5, 3798812), (10, 1899406), (20, 949703), (101, 188060), (202, 94030), (404, 47015), (505, 37612), (1010, 18806), (2020, 9403)]