19817280688

素因数分解:

$2^4\times {\mathrm{3463}}^1\times {\mathrm{357661}}^1$

素因数の和:361132

約数の個数: 20

約数和(自身を含む): 38407176208

約数和(自身を除く): 18589895520

約数列:

[1, 2, 4, 8, 16, 3463, 6926, 13852, 27704, 55408, 357661, 715322, 1430644, 2861288, 5722576, 1238580043, 2477160086, 4954320172, 9908640344, 19817280688]

約数ペア:

[(1, 19817280688), (2, 9908640344), (4, 4954320172), (8, 2477160086), (16, 1238580043), (3463, 5722576), (6926, 2861288), (13852, 1430644), (27704, 715322), (55408, 357661)]