19049360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21647}}^1$

素因数の和:21671

約数の個数: 40

約数和(自身を含む): 48318336

約数和(自身を除く): 29268976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21647, 43294, 86588, 108235, 173176, 216470, 238117, 346352, 432940, 476234, 865880, 952468, 1190585, 1731760, 1904936, 2381170, 3809872, 4762340, 9524680, 19049360]

約数ペア:

[(1, 19049360), (2, 9524680), (4, 4762340), (5, 3809872), (8, 2381170), (10, 1904936), (11, 1731760), (16, 1190585), (20, 952468), (22, 865880), (40, 476234), (44, 432940), (55, 346352), (80, 238117), (88, 216470), (110, 173176), (176, 108235), (220, 86588), (440, 43294), (880, 21647)]