17983730

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4397}}^1$

素因数の和:4813

約数の個数: 16

約数和(自身を含む): 32457240

約数和(自身を除く): 14473510

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4397, 8794, 21985, 43970, 1798373, 3596746, 8991865, 17983730]

約数ペア:

[(1, 17983730), (2, 8991865), (5, 3596746), (10, 1798373), (409, 43970), (818, 21985), (2045, 8794), (4090, 4397)]