19706805

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15101}}^1$

素因数の和:15141

約数の個数: 24

約数和(自身を含む): 35338680

約数和(自身を除く): 15631875

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15101, 45303, 75505, 135909, 226515, 437929, 679545, 1313787, 2189645, 3941361, 6568935, 19706805]

約数ペア:

[(1, 19706805), (3, 6568935), (5, 3941361), (9, 2189645), (15, 1313787), (29, 679545), (45, 437929), (87, 226515), (145, 135909), (261, 75505), (435, 45303), (1305, 15101)]