19722692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2591}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 37884672

約数和(自身を除く): 18161980

約数列:

[1, 2, 4, 11, 22, 44, 173, 346, 692, 1903, 2591, 3806, 5182, 7612, 10364, 28501, 57002, 114004, 448243, 896486, 1792972, 4930673, 9861346, 19722692]

約数ペア:

[(1, 19722692), (2, 9861346), (4, 4930673), (11, 1792972), (22, 896486), (44, 448243), (173, 114004), (346, 57002), (692, 28501), (1903, 10364), (2591, 7612), (3806, 5182)]