18270609

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1579}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 30336000

約数和(自身を除く): 12065391

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1579, 1653, 3857, 4737, 11053, 11571, 30001, 33159, 45791, 90003, 137373, 210007, 320537, 630021, 870029, 961611, 2610087, 6090203, 18270609]

約数ペア:

[(1, 18270609), (3, 6090203), (7, 2610087), (19, 961611), (21, 870029), (29, 630021), (57, 320537), (87, 210007), (133, 137373), (203, 90003), (399, 45791), (551, 33159), (609, 30001), (1579, 11571), (1653, 11053), (3857, 4737)]