18978946

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{16333}}^1$

素因数の和:16425

約数の個数: 16

約数和(自身を含む): 32929344

約数和(自身を除く): 13950398

約数列:

[1, 2, 7, 14, 83, 166, 581, 1162, 16333, 32666, 114331, 228662, 1355639, 2711278, 9489473, 18978946]

約数ペア:

[(1, 18978946), (2, 9489473), (7, 2711278), (14, 1355639), (83, 228662), (166, 114331), (581, 32666), (1162, 16333)]