18488690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9887}}^1$

素因数の和:9922

約数の個数: 32

約数和(自身を含む): 38444544

約数和(自身を除く): 19955854

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 9887, 19774, 49435, 98870, 108757, 168079, 217514, 336158, 543785, 840395, 1087570, 1680790, 1848869, 3697738, 9244345, 18488690]

約数ペア:

[(1, 18488690), (2, 9244345), (5, 3697738), (10, 1848869), (11, 1680790), (17, 1087570), (22, 840395), (34, 543785), (55, 336158), (85, 217514), (110, 168079), (170, 108757), (187, 98870), (374, 49435), (935, 19774), (1870, 9887)]