19994397

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6427}}^1$

素因数の和:6508

約数の個数: 16

約数和(自身を含む): 28694592

約数和(自身を除く): 8700195

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 6427, 19281, 109259, 327777, 392047, 1176141, 6664799, 19994397]

約数ペア:

[(1, 19994397), (3, 6664799), (17, 1176141), (51, 392047), (61, 327777), (183, 109259), (1037, 19281), (3111, 6427)]