19474413

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{967}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 30457152

約数和(自身を除く): 10982739

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 959, 967, 2877, 2901, 6713, 6769, 20139, 20307, 47383, 132479, 142149, 397437, 927353, 2782059, 6491471, 19474413]

約数ペア:

[(1, 19474413), (3, 6491471), (7, 2782059), (21, 927353), (49, 397437), (137, 142149), (147, 132479), (411, 47383), (959, 20307), (967, 20139), (2877, 6769), (2901, 6713)]