18290008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10939}}^1$

素因数の和:10975

約数の個数: 32

約数和(自身を含む): 39384000

約数和(自身を除く): 21093992

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 10939, 21878, 43756, 87512, 120329, 207841, 240658, 415682, 481316, 831364, 962632, 1662728, 2286251, 4572502, 9145004, 18290008]

約数ペア:

[(1, 18290008), (2, 9145004), (4, 4572502), (8, 2286251), (11, 1662728), (19, 962632), (22, 831364), (38, 481316), (44, 415682), (76, 240658), (88, 207841), (152, 120329), (209, 87512), (418, 43756), (836, 21878), (1672, 10939)]