19887734

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:655

約数の個数: 16

約数和(自身を含む): 30255120

約数和(自身を除く): 10367386

約数列:

[1, 2, 173, 229, 251, 346, 458, 502, 39617, 43423, 57479, 79234, 86846, 114958, 9943867, 19887734]

約数ペア:

[(1, 19887734), (2, 9943867), (173, 114958), (229, 86846), (251, 79234), (346, 57479), (458, 43423), (502, 39617)]