19633870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 17431730

約数列:

[1, 2, 5, 10, 29, 58, 79, 145, 158, 290, 395, 790, 857, 1714, 2291, 4285, 4582, 8570, 11455, 22910, 24853, 49706, 67703, 124265, 135406, 248530, 338515, 677030, 1963387, 3926774, 9816935, 19633870]

約数ペア:

[(1, 19633870), (2, 9816935), (5, 3926774), (10, 1963387), (29, 677030), (58, 338515), (79, 248530), (145, 135406), (158, 124265), (290, 67703), (395, 49706), (790, 24853), (857, 22910), (1714, 11455), (2291, 8570), (4285, 4582)]