19936485

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15277}}^1$

素因数の和:15317

約数の個数: 24

約数和(自身を含む): 35750520

約数和(自身を除く): 15814035

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15277, 45831, 76385, 137493, 229155, 443033, 687465, 1329099, 2215165, 3987297, 6645495, 19936485]

約数ペア:

[(1, 19936485), (3, 6645495), (5, 3987297), (9, 2215165), (15, 1329099), (29, 687465), (45, 443033), (87, 229155), (145, 137493), (261, 76385), (435, 45831), (1305, 15277)]