18540194

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{433}}^1$

素因数の和:785

約数の個数: 16

約数和(自身を含む): 28331520

約数和(自身を除く): 9791326

約数列:

[1, 2, 79, 158, 271, 433, 542, 866, 21409, 34207, 42818, 68414, 117343, 234686, 9270097, 18540194]

約数ペア:

[(1, 18540194), (2, 9270097), (79, 234686), (158, 117343), (271, 68414), (433, 42818), (542, 34207), (866, 21409)]