18878313

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1879}}^1$

素因数の和:2096

約数の個数: 16

約数和(自身を含む): 26801280

約数和(自身を除く): 7922967

約数列:

[1, 3, 17, 51, 197, 591, 1879, 3349, 5637, 10047, 31943, 95829, 370163, 1110489, 6292771, 18878313]

約数ペア:

[(1, 18878313), (3, 6292771), (17, 1110489), (51, 370163), (197, 95829), (591, 31943), (1879, 10047), (3349, 5637)]