18631986

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 38415168

約数和(自身を除く): 19783182

約数列:

[1, 2, 3, 6, 43, 86, 129, 257, 258, 281, 514, 562, 771, 843, 1542, 1686, 11051, 12083, 22102, 24166, 33153, 36249, 66306, 72217, 72498, 144434, 216651, 433302, 3105331, 6210662, 9315993, 18631986]

約数ペア:

[(1, 18631986), (2, 9315993), (3, 6210662), (6, 3105331), (43, 433302), (86, 216651), (129, 144434), (257, 72498), (258, 72217), (281, 66306), (514, 36249), (562, 33153), (771, 24166), (843, 22102), (1542, 12083), (1686, 11051)]