19268139

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3719}}^1$

素因数の和:3890

約数の個数: 16

約数和(自身を含む): 28212480

約数和(自身を除く): 8944341

約数列:

[1, 3, 11, 33, 157, 471, 1727, 3719, 5181, 11157, 40909, 122727, 583883, 1751649, 6422713, 19268139]

約数ペア:

[(1, 19268139), (3, 6422713), (11, 1751649), (33, 583883), (157, 122727), (471, 40909), (1727, 11157), (3719, 5181)]