19942010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16481}}^1$

素因数の和:16510

約数の個数: 24

約数和(自身を含む): 39457908

約数和(自身を除く): 19515898

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16481, 32962, 82405, 164810, 181291, 362582, 906455, 1812910, 1994201, 3988402, 9971005, 19942010]

約数ペア:

[(1, 19942010), (2, 9971005), (5, 3988402), (10, 1994201), (11, 1812910), (22, 906455), (55, 362582), (110, 181291), (121, 164810), (242, 82405), (605, 32962), (1210, 16481)]