19799690

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 36840960

約数和(自身を除く): 17041270

約数列:

[1, 2, 5, 10, 47, 94, 103, 206, 235, 409, 470, 515, 818, 1030, 2045, 4090, 4841, 9682, 19223, 24205, 38446, 42127, 48410, 84254, 96115, 192230, 210635, 421270, 1979969, 3959938, 9899845, 19799690]

約数ペア:

[(1, 19799690), (2, 9899845), (5, 3959938), (10, 1979969), (47, 421270), (94, 210635), (103, 192230), (206, 96115), (235, 84254), (409, 48410), (470, 42127), (515, 38446), (818, 24205), (1030, 19223), (2045, 9682), (4090, 4841)]