19197087

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3701}}^1$

素因数の和:3743

約数の個数: 32

約数和(自身を含む): 33169920

約数和(自身を除く): 13972833

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3701, 5187, 11103, 25907, 48113, 70319, 77721, 144339, 210957, 336791, 492233, 914147, 1010373, 1476699, 2742441, 6399029, 19197087]

約数ペア:

[(1, 19197087), (3, 6399029), (7, 2742441), (13, 1476699), (19, 1010373), (21, 914147), (39, 492233), (57, 336791), (91, 210957), (133, 144339), (247, 77721), (273, 70319), (399, 48113), (741, 25907), (1729, 11103), (3701, 5187)]