19490913

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7243}}^1$

素因数の和:7285

約数の個数: 24

約数和(自身を含む): 31641792

約数和(自身を除く): 12150879

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 7243, 21729, 65187, 94159, 166589, 282477, 499767, 847431, 1499301, 2165657, 6496971, 19490913]

約数ペア:

[(1, 19490913), (3, 6496971), (9, 2165657), (13, 1499301), (23, 847431), (39, 499767), (69, 282477), (117, 166589), (207, 94159), (299, 65187), (897, 21729), (2691, 7243)]