18786834

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 44703360

約数和(自身を除く): 25916526

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 239, 397, 478, 717, 794, 1191, 1434, 2151, 2382, 2629, 3573, 4302, 4367, 5258, 7146, 7887, 8734, 13101, 15774, 23661, 26202, 39303, 47322, 78606, 94883, 189766, 284649, 569298, 853947, 1043713, 1707894, 2087426, 3131139, 6262278, 9393417, 18786834]

約数ペア:

[(1, 18786834), (2, 9393417), (3, 6262278), (6, 3131139), (9, 2087426), (11, 1707894), (18, 1043713), (22, 853947), (33, 569298), (66, 284649), (99, 189766), (198, 94883), (239, 78606), (397, 47322), (478, 39303), (717, 26202), (794, 23661), (1191, 15774), (1434, 13101), (2151, 8734), (2382, 7887), (2629, 7146), (3573, 5258), (4302, 4367)]