18766490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2297}}^1$

素因数の和:2366

約数の個数: 32

約数和(自身を含む): 36400320

約数和(自身を除く): 17633830

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 2297, 4085, 4594, 8170, 11485, 22970, 43643, 87286, 98771, 197542, 218215, 436430, 493855, 987710, 1876649, 3753298, 9383245, 18766490]

約数ペア:

[(1, 18766490), (2, 9383245), (5, 3753298), (10, 1876649), (19, 987710), (38, 493855), (43, 436430), (86, 218215), (95, 197542), (190, 98771), (215, 87286), (430, 43643), (817, 22970), (1634, 11485), (2297, 8170), (4085, 4594)]