17938385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{641}}^1$

素因数の和:868

約数の個数: 16

約数和(自身を含む): 22418640

約数和(自身を除く): 4480255

約数列:

[1, 5, 29, 145, 193, 641, 965, 3205, 5597, 18589, 27985, 92945, 123713, 618565, 3587677, 17938385]

約数ペア:

[(1, 17938385), (5, 3587677), (29, 618565), (145, 123713), (193, 92945), (641, 27985), (965, 18589), (3205, 5597)]