18972969

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{619}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 26873280

約数和(自身を除く): 7900311

約数列:

[1, 3, 17, 51, 601, 619, 1803, 1857, 10217, 10523, 30651, 31569, 372019, 1116057, 6324323, 18972969]

約数ペア:

[(1, 18972969), (3, 6324323), (17, 1116057), (51, 372019), (601, 31569), (619, 30651), (1803, 10523), (1857, 10217)]