18746978

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{3209}}^1$

素因数の和:3361

約数の個数: 16

約数和(自身を含む): 29583360

約数和(自身を除く): 10836382

約数列:

[1, 2, 23, 46, 127, 254, 2921, 3209, 5842, 6418, 73807, 147614, 407543, 815086, 9373489, 18746978]

約数ペア:

[(1, 18746978), (2, 9373489), (23, 815086), (46, 407543), (127, 147614), (254, 73807), (2921, 6418), (3209, 5842)]