22251890

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{5023}}^1$

素因数の和:5473

約数の個数: 16

約数和(自身を含む): 40151808

約数和(自身を除く): 17899918

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 5023, 10046, 25115, 50230, 2225189, 4450378, 11125945, 22251890]

約数ペア:

[(1, 22251890), (2, 11125945), (5, 4450378), (10, 2225189), (443, 50230), (886, 25115), (2215, 10046), (4430, 5023)]