19908366

素因数分解:

$2^1\times 3^1\times {\mathrm{419}}^1\times {\mathrm{7919}}^1$

素因数の和:8343

約数の個数: 16

約数和(自身を含む): 39916800

約数和(自身を除く): 20008434

約数列:

[1, 2, 3, 6, 419, 838, 1257, 2514, 7919, 15838, 23757, 47514, 3318061, 6636122, 9954183, 19908366]

約数ペア:

[(1, 19908366), (2, 9954183), (3, 6636122), (6, 3318061), (419, 47514), (838, 23757), (1257, 15838), (2514, 7919)]