19378040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44041}}^1$

素因数の和:44063

約数の個数: 32

約数和(自身を含む): 47565360

約数和(自身を除く): 28187320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44041, 88082, 176164, 220205, 352328, 440410, 484451, 880820, 968902, 1761640, 1937804, 2422255, 3875608, 4844510, 9689020, 19378040]

約数ペア:

[(1, 19378040), (2, 9689020), (4, 4844510), (5, 3875608), (8, 2422255), (10, 1937804), (11, 1761640), (20, 968902), (22, 880820), (40, 484451), (44, 440410), (55, 352328), (88, 220205), (110, 176164), (220, 88082), (440, 44041)]