19678617

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10771}}^1$

素因数の和:10813

約数の個数: 24

約数和(自身を含む): 33608640

約数和(自身を除く): 13930023

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10771, 32313, 75397, 96939, 226191, 312359, 678573, 937077, 2186513, 2811231, 6559539, 19678617]

約数ペア:

[(1, 19678617), (3, 6559539), (7, 2811231), (9, 2186513), (21, 937077), (29, 678573), (63, 312359), (87, 226191), (203, 96939), (261, 75397), (609, 32313), (1827, 10771)]