2018201805

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{223129}}^1$

素因数の和:223210

約数の個数: 32

約数和(自身を含む): 3641481600

約数和(自身を除く): 1623279795

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 335, 603, 1005, 1809, 3015, 9045, 223129, 669387, 1115645, 2008161, 3346935, 6024483, 10040805, 14949643, 30122415, 44848929, 74748215, 134546787, 224244645, 403640361, 672733935, 2018201805]

約数ペア:

[(1, 2018201805), (3, 672733935), (5, 403640361), (9, 224244645), (15, 134546787), (27, 74748215), (45, 44848929), (67, 30122415), (135, 14949643), (201, 10040805), (335, 6024483), (603, 3346935), (1005, 2008161), (1809, 1115645), (3015, 669387), (9045, 223129)]