18843477

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{641}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 25885440

約数和(自身を除く): 7041963

約数列:

[1, 3, 41, 123, 239, 641, 717, 1923, 9799, 26281, 29397, 78843, 153199, 459597, 6281159, 18843477]

約数ペア:

[(1, 18843477), (3, 6281159), (41, 459597), (123, 153199), (239, 78843), (641, 29397), (717, 26281), (1923, 9799)]