19627983

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 29577600

約数和(自身を除く): 9949617

約数列:

[1, 3, 9, 29, 87, 157, 261, 471, 479, 1413, 1437, 4311, 4553, 13659, 13891, 40977, 41673, 75203, 125019, 225609, 676827, 2180887, 6542661, 19627983]

約数ペア:

[(1, 19627983), (3, 6542661), (9, 2180887), (29, 676827), (87, 225609), (157, 125019), (261, 75203), (471, 41673), (479, 40977), (1413, 13891), (1437, 13659), (4311, 4553)]