19557956

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2377}}^1$

素因数の和:2420

約数の個数: 36

約数和(自身を含む): 39850524

約数和(自身を除く): 20292568

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 2377, 4114, 4754, 8228, 9508, 26147, 40409, 52294, 80818, 104588, 161636, 287617, 444499, 575234, 888998, 1150468, 1777996, 4889489, 9778978, 19557956]

約数ペア:

[(1, 19557956), (2, 9778978), (4, 4889489), (11, 1777996), (17, 1150468), (22, 888998), (34, 575234), (44, 444499), (68, 287617), (121, 161636), (187, 104588), (242, 80818), (374, 52294), (484, 40409), (748, 26147), (2057, 9508), (2377, 8228), (4114, 4754)]