18354640

素因数分解:

$2^4\times 5^1\times {\mathrm{229433}}^1$

素因数の和:229446

約数の個数: 20

約数和(自身を含む): 42674724

約数和(自身を除く): 24320084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229433, 458866, 917732, 1147165, 1835464, 2294330, 3670928, 4588660, 9177320, 18354640]

約数ペア:

[(1, 18354640), (2, 9177320), (4, 4588660), (5, 3670928), (8, 2294330), (10, 1835464), (16, 1147165), (20, 917732), (40, 458866), (80, 229433)]