19443668

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{72551}}^1$

素因数の和:72622

約数の個数: 12

約数和(自身を含む): 34534752

約数和(自身を除く): 15091084

約数列:

[1, 2, 4, 67, 134, 268, 72551, 145102, 290204, 4860917, 9721834, 19443668]

約数ペア:

[(1, 19443668), (2, 9721834), (4, 4860917), (67, 290204), (134, 145102), (268, 72551)]