1981462010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18013291}}^1$

素因数の和:18013309

約数の個数: 16

約数和(自身を含む): 3890871072

約数和(自身を除く): 1909409062

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 18013291, 36026582, 90066455, 180132910, 198146201, 396292402, 990731005, 1981462010]

約数ペア:

[(1, 1981462010), (2, 990731005), (5, 396292402), (10, 198146201), (11, 180132910), (22, 90066455), (55, 36026582), (110, 18013291)]