18846176

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 20667424

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 139, 152, 223, 278, 304, 446, 556, 608, 892, 1112, 1784, 2224, 2641, 3568, 4237, 4448, 5282, 7136, 8474, 10564, 16948, 21128, 30997, 33896, 42256, 61994, 67792, 84512, 123988, 135584, 247976, 495952, 588943, 991904, 1177886, 2355772, 4711544, 9423088, 18846176]

約数ペア:

[(1, 18846176), (2, 9423088), (4, 4711544), (8, 2355772), (16, 1177886), (19, 991904), (32, 588943), (38, 495952), (76, 247976), (139, 135584), (152, 123988), (223, 84512), (278, 67792), (304, 61994), (446, 42256), (556, 33896), (608, 30997), (892, 21128), (1112, 16948), (1784, 10564), (2224, 8474), (2641, 7136), (3568, 5282), (4237, 4448)]