19781226

素因数分解:

$2^1\times 3^3\times {\mathrm{337}}^1\times {\mathrm{1087}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 44129280

約数和(自身を除く): 24348054

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 337, 674, 1011, 1087, 2022, 2174, 3033, 3261, 6066, 6522, 9099, 9783, 18198, 19566, 29349, 58698, 366319, 732638, 1098957, 2197914, 3296871, 6593742, 9890613, 19781226]

約数ペア:

[(1, 19781226), (2, 9890613), (3, 6593742), (6, 3296871), (9, 2197914), (18, 1098957), (27, 732638), (54, 366319), (337, 58698), (674, 29349), (1011, 19566), (1087, 18198), (2022, 9783), (2174, 9099), (3033, 6522), (3261, 6066)]