18918195

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{74189}}^1$

素因数の和:74214

約数の個数: 16

約数和(自身を含む): 32050080

約数和(自身を除く): 13131885

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 74189, 222567, 370945, 1112835, 1261213, 3783639, 6306065, 18918195]

約数ペア:

[(1, 18918195), (3, 6306065), (5, 3783639), (15, 1261213), (17, 1112835), (51, 370945), (85, 222567), (255, 74189)]