19923026

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:1057

約数の個数: 16

約数和(自身を含む): 30518208

約数和(自身を除く): 10595182

約数列:

[1, 2, 71, 142, 173, 346, 811, 1622, 12283, 24566, 57581, 115162, 140303, 280606, 9961513, 19923026]

約数ペア:

[(1, 19923026), (2, 9961513), (71, 280606), (142, 140303), (173, 115162), (346, 57581), (811, 24566), (1622, 12283)]