18420110530

素因数分解:

$2^1\times 5^1\times {\mathrm{4177}}^1\times {\mathrm{440989}}^1$

素因数の和:445173

約数の個数: 16

約数和(自身を含む): 33164211960

約数和(自身を除く): 14744101430

約数列:

[1, 2, 5, 10, 4177, 8354, 20885, 41770, 440989, 881978, 2204945, 4409890, 1842011053, 3684022106, 9210055265, 18420110530]

約数ペア:

[(1, 18420110530), (2, 9210055265), (5, 3684022106), (10, 1842011053), (4177, 4409890), (8354, 2204945), (20885, 881978), (41770, 440989)]