19238919

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4513}}^1$

素因数の和:4559

約数の個数: 24

約数和(自身を含む): 30875760

約数和(自身を除く): 11636841

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4513, 13539, 31591, 94773, 130877, 221137, 392631, 663411, 916139, 2748417, 6412973, 19238919]

約数ペア:

[(1, 19238919), (3, 6412973), (7, 2748417), (21, 916139), (29, 663411), (49, 392631), (87, 221137), (147, 130877), (203, 94773), (609, 31591), (1421, 13539), (4263, 4513)]