19419532

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40123}}^1$

素因数の和:40149

約数の個数: 18

約数和(自身を含む): 37355444

約数和(自身を除く): 17935912

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40123, 80246, 160492, 441353, 882706, 1765412, 4854883, 9709766, 19419532]

約数ペア:

[(1, 19419532), (2, 9709766), (4, 4854883), (11, 1765412), (22, 882706), (44, 441353), (121, 160492), (242, 80246), (484, 40123)]