18865970

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{8311}}^1$

素因数の和:8545

約数の個数: 16

約数和(自身を含む): 34112448

約数和(自身を除く): 15246478

約数列:

[1, 2, 5, 10, 227, 454, 1135, 2270, 8311, 16622, 41555, 83110, 1886597, 3773194, 9432985, 18865970]

約数ペア:

[(1, 18865970), (2, 9432985), (5, 3773194), (10, 1886597), (227, 83110), (454, 41555), (1135, 16622), (2270, 8311)]