18924915

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9631}}^1$

素因数の和:9770

約数の個数: 16

約数和(自身を含む): 30514176

約数和(自身を除く): 11589261

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 9631, 28893, 48155, 144465, 1261661, 3784983, 6308305, 18924915]

約数ペア:

[(1, 18924915), (3, 6308305), (5, 3784983), (15, 1261661), (131, 144465), (393, 48155), (655, 28893), (1965, 9631)]