18786858

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{739}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 39782400

約数和(自身を除く): 20995542

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 223, 446, 669, 739, 1338, 1478, 2217, 4237, 4434, 8474, 12711, 14041, 25422, 28082, 42123, 84246, 164797, 329594, 494391, 988782, 3131143, 6262286, 9393429, 18786858]

約数ペア:

[(1, 18786858), (2, 9393429), (3, 6262286), (6, 3131143), (19, 988782), (38, 494391), (57, 329594), (114, 164797), (223, 84246), (446, 42123), (669, 28082), (739, 25422), (1338, 14041), (1478, 12711), (2217, 8474), (4237, 4434)]