19380237

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1789}}^1$

素因数の和:1972

約数の個数: 16

約数和(自身を含む): 27150720

約数和(自身を除く): 7770483

約数列:

[1, 3, 23, 69, 157, 471, 1789, 3611, 5367, 10833, 41147, 123441, 280873, 842619, 6460079, 19380237]

約数ペア:

[(1, 19380237), (3, 6460079), (23, 842619), (69, 280873), (157, 123441), (471, 41147), (1789, 10833), (3611, 5367)]