18279368

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{499}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 36300000

約数和(自身を除く): 18020632

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 241, 482, 499, 964, 998, 1928, 1996, 3992, 4579, 9158, 9481, 18316, 18962, 36632, 37924, 75848, 120259, 240518, 481036, 962072, 2284921, 4569842, 9139684, 18279368]

約数ペア:

[(1, 18279368), (2, 9139684), (4, 4569842), (8, 2284921), (19, 962072), (38, 481036), (76, 240518), (152, 120259), (241, 75848), (482, 37924), (499, 36632), (964, 18962), (998, 18316), (1928, 9481), (1996, 9158), (3992, 4579)]