18860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:73

約数の個数: 24

約数和(自身を含む): 42336

約数和(自身を除く): 23476

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 3772, 4715, 9430, 18860]

約数ペア:

[(1, 18860), (2, 9430), (4, 4715), (5, 3772), (10, 1886), (20, 943), (23, 820), (41, 460), (46, 410), (82, 230), (92, 205), (115, 164)]