19982590

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 37674720

約数和(自身を除く): 17692130

約数列:

[1, 2, 5, 10, 37, 53, 74, 106, 185, 265, 370, 530, 1019, 1961, 2038, 3922, 5095, 9805, 10190, 19610, 37703, 54007, 75406, 108014, 188515, 270035, 377030, 540070, 1998259, 3996518, 9991295, 19982590]

約数ペア:

[(1, 19982590), (2, 9991295), (5, 3996518), (10, 1998259), (37, 540070), (53, 377030), (74, 270035), (106, 188515), (185, 108014), (265, 75406), (370, 54007), (530, 37703), (1019, 19610), (1961, 10190), (2038, 9805), (3922, 5095)]