18982952

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 36775200

約数和(自身を除く): 17792248

約数列:

[1, 2, 4, 8, 43, 86, 139, 172, 278, 344, 397, 556, 794, 1112, 1588, 3176, 5977, 11954, 17071, 23908, 34142, 47816, 55183, 68284, 110366, 136568, 220732, 441464, 2372869, 4745738, 9491476, 18982952]

約数ペア:

[(1, 18982952), (2, 9491476), (4, 4745738), (8, 2372869), (43, 441464), (86, 220732), (139, 136568), (172, 110366), (278, 68284), (344, 55183), (397, 47816), (556, 34142), (794, 23908), (1112, 17071), (1588, 11954), (3176, 5977)]