19791189

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1801}}^1$

素因数の和:1858

約数の個数: 32

約数和(自身を含む): 32868480

約数和(自身を除く): 13077291

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 1801, 3663, 5403, 10989, 16209, 19811, 48627, 59433, 66637, 178299, 199911, 534897, 599733, 733007, 1799199, 2199021, 6597063, 19791189]

約数ペア:

[(1, 19791189), (3, 6597063), (9, 2199021), (11, 1799199), (27, 733007), (33, 599733), (37, 534897), (99, 199911), (111, 178299), (297, 66637), (333, 59433), (407, 48627), (999, 19811), (1221, 16209), (1801, 10989), (3663, 5403)]