19924684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3581}}^1$

素因数の和:3705

約数の個数: 24

約数和(自身を含む): 37911888

約数和(自身を除く): 17987204

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 3581, 5564, 7162, 14324, 46553, 93106, 186212, 383167, 766334, 1532668, 4981171, 9962342, 19924684]

約数ペア:

[(1, 19924684), (2, 9962342), (4, 4981171), (13, 1532668), (26, 766334), (52, 383167), (107, 186212), (214, 93106), (428, 46553), (1391, 14324), (2782, 7162), (3581, 5564)]