19011010220

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2117039}}^1$

素因数の和:2117497

約数の個数: 24

約数和(自身を含む): 40012056000

約数和(自身を除く): 21001045780

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8980, 2117039, 4234078, 8468156, 10585195, 21170390, 42340780, 950550511, 1901101022, 3802202044, 4752752555, 9505505110, 19011010220]

約数ペア:

[(1, 19011010220), (2, 9505505110), (4, 4752752555), (5, 3802202044), (10, 1901101022), (20, 950550511), (449, 42340780), (898, 21170390), (1796, 10585195), (2245, 8468156), (4490, 4234078), (8980, 2117039)]