19374321

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 26352000

約数和(自身を除く): 6977679

約数列:

[1, 3, 89, 149, 267, 447, 487, 1461, 13261, 39783, 43343, 72563, 130029, 217689, 6458107, 19374321]

約数ペア:

[(1, 19374321), (3, 6458107), (89, 217689), (149, 130029), (267, 72563), (447, 43343), (487, 39783), (1461, 13261)]