19566978

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 20825022

約数列:

[1, 2, 3, 6, 43, 86, 129, 149, 258, 298, 447, 509, 894, 1018, 1527, 3054, 6407, 12814, 19221, 21887, 38442, 43774, 65661, 75841, 131322, 151682, 227523, 455046, 3261163, 6522326, 9783489, 19566978]

約数ペア:

[(1, 19566978), (2, 9783489), (3, 6522326), (6, 3261163), (43, 455046), (86, 227523), (129, 151682), (149, 131322), (258, 75841), (298, 65661), (447, 43774), (509, 38442), (894, 21887), (1018, 19221), (1527, 12814), (3054, 6407)]