18661556

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1051}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 34286784

約数和(自身を除く): 15625228

約数列:

[1, 2, 4, 23, 46, 92, 193, 386, 772, 1051, 2102, 4204, 4439, 8878, 17756, 24173, 48346, 96692, 202843, 405686, 811372, 4665389, 9330778, 18661556]

約数ペア:

[(1, 18661556), (2, 9330778), (4, 4665389), (23, 811372), (46, 405686), (92, 202843), (193, 96692), (386, 48346), (772, 24173), (1051, 17756), (2102, 8878), (4204, 4439)]