19966203

素因数分解:

$3^3\times {\mathrm{389}}^1\times {\mathrm{1901}}^1$

素因数の和:2299

約数の個数: 16

約数和(自身を含む): 29671200

約数和(自身を除く): 9704997

約数列:

[1, 3, 9, 27, 389, 1167, 1901, 3501, 5703, 10503, 17109, 51327, 739489, 2218467, 6655401, 19966203]

約数ペア:

[(1, 19966203), (3, 6655401), (9, 2218467), (27, 739489), (389, 51327), (1167, 17109), (1901, 10503), (3501, 5703)]