20181057

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 31248000

約数和(自身を除く): 11066943

約数列:

[1, 3, 13, 17, 39, 51, 61, 183, 221, 499, 663, 793, 1037, 1497, 2379, 3111, 6487, 8483, 13481, 19461, 25449, 30439, 40443, 91317, 110279, 330837, 395707, 517463, 1187121, 1552389, 6727019, 20181057]

約数ペア:

[(1, 20181057), (3, 6727019), (13, 1552389), (17, 1187121), (39, 517463), (51, 395707), (61, 330837), (183, 110279), (221, 91317), (499, 40443), (663, 30439), (793, 25449), (1037, 19461), (1497, 13481), (2379, 8483), (3111, 6487)]