18869745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73999}}^1$

素因数の和:74024

約数の個数: 16

約数和(自身を含む): 31968000

約数和(自身を除く): 13098255

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 73999, 221997, 369995, 1109985, 1257983, 3773949, 6289915, 18869745]

約数ペア:

[(1, 18869745), (3, 6289915), (5, 3773949), (15, 1257983), (17, 1109985), (51, 369995), (85, 221997), (255, 73999)]