18977104

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27583}}^1$

素因数の和:27634

約数の個数: 20

約数和(自身を含む): 37624576

約数和(自身を除く): 18647472

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27583, 55166, 110332, 220664, 441328, 1186069, 2372138, 4744276, 9488552, 18977104]

約数ペア:

[(1, 18977104), (2, 9488552), (4, 4744276), (8, 2372138), (16, 1186069), (43, 441328), (86, 220664), (172, 110332), (344, 55166), (688, 27583)]