19010859

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 30497280

約数和(自身を除く): 11486421

約数列:

[1, 3, 7, 21, 37, 43, 111, 129, 259, 301, 569, 777, 903, 1591, 1707, 3983, 4773, 11137, 11949, 21053, 24467, 33411, 63159, 73401, 147371, 171269, 442113, 513807, 905279, 2715837, 6336953, 19010859]

約数ペア:

[(1, 19010859), (3, 6336953), (7, 2715837), (21, 905279), (37, 513807), (43, 442113), (111, 171269), (129, 147371), (259, 73401), (301, 63159), (569, 33411), (777, 24467), (903, 21053), (1591, 11949), (1707, 11137), (3983, 4773)]