17967231890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1\times {\mathrm{10099}}^1$

素因数の和:12194

約数の個数: 32

約数和(自身を含む): 32724000000

約数和(自身を除く): 14756768110

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1999, 3998, 9995, 10099, 19990, 20198, 50495, 100990, 177911, 355822, 889555, 898811, 1779110, 1797622, 4494055, 8988110, 20187901, 40375802, 100939505, 201879010, 1796723189, 3593446378, 8983615945, 17967231890]

約数ペア:

[(1, 17967231890), (2, 8983615945), (5, 3593446378), (10, 1796723189), (89, 201879010), (178, 100939505), (445, 40375802), (890, 20187901), (1999, 8988110), (3998, 4494055), (9995, 1797622), (10099, 1779110), (19990, 898811), (20198, 889555), (50495, 355822), (100990, 177911)]