19294221

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 6971379

約数列:

[1, 3, 89, 127, 267, 381, 569, 1707, 11303, 33909, 50641, 72263, 151923, 216789, 6431407, 19294221]

約数ペア:

[(1, 19294221), (3, 6431407), (89, 216789), (127, 151923), (267, 72263), (381, 50641), (569, 33909), (1707, 11303)]