19421636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2687}}^1$

素因数の和:2843

約数の個数: 24

約数和(自身を含む): 36879360

約数和(自身を除く): 17457724

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 2687, 3614, 5374, 7228, 10748, 34931, 69862, 139724, 373493, 746986, 1493972, 4855409, 9710818, 19421636]

約数ペア:

[(1, 19421636), (2, 9710818), (4, 4855409), (13, 1493972), (26, 746986), (52, 373493), (139, 139724), (278, 69862), (556, 34931), (1807, 10748), (2687, 7228), (3614, 5374)]