219118790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1991989}}^1$

素因数の和:1992007

約数の個数: 16

約数和(自身を含む): 430269840

約数和(自身を除く): 211151050

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1991989, 3983978, 9959945, 19919890, 21911879, 43823758, 109559395, 219118790]

約数ペア:

[(1, 219118790), (2, 109559395), (5, 43823758), (10, 21911879), (11, 19919890), (22, 9959945), (55, 3983978), (110, 1991989)]