18122620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39397}}^1$

素因数の和:39429

約数の個数: 24

約数和(自身を含む): 39713184

約数和(自身を除く): 21590564

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 39397, 78794, 157588, 196985, 393970, 787940, 906131, 1812262, 3624524, 4530655, 9061310, 18122620]

約数ペア:

[(1, 18122620), (2, 9061310), (4, 4530655), (5, 3624524), (10, 1812262), (20, 906131), (23, 787940), (46, 393970), (92, 196985), (115, 157588), (230, 78794), (460, 39397)]