19088188

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21991}}^1$

素因数の和:22033

約数の個数: 24

約数和(自身を含む): 39409664

約数和(自身を除く): 20321476

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21991, 43982, 87964, 153937, 307874, 615748, 681721, 1363442, 2726884, 4772047, 9544094, 19088188]

約数ペア:

[(1, 19088188), (2, 9544094), (4, 4772047), (7, 2726884), (14, 1363442), (28, 681721), (31, 615748), (62, 307874), (124, 153937), (217, 87964), (434, 43982), (868, 21991)]