18619221

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1439}}^1$

素因数の和:1688

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 7646379

約数列:

[1, 3, 19, 57, 227, 681, 1439, 4313, 4317, 12939, 27341, 82023, 326653, 979959, 6206407, 18619221]

約数ペア:

[(1, 18619221), (3, 6206407), (19, 979959), (57, 326653), (227, 82023), (681, 27341), (1439, 12939), (4313, 4317)]