18289552

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3539}}^1$

素因数の和:3583

約数の個数: 40

約数和(自身を含む): 39506400

約数和(自身を除く): 21216848

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 3539, 5168, 7078, 14156, 28312, 56624, 60163, 67241, 120326, 134482, 240652, 268964, 481304, 537928, 962608, 1075856, 1143097, 2286194, 4572388, 9144776, 18289552]

約数ペア:

[(1, 18289552), (2, 9144776), (4, 4572388), (8, 2286194), (16, 1143097), (17, 1075856), (19, 962608), (34, 537928), (38, 481304), (68, 268964), (76, 240652), (136, 134482), (152, 120326), (272, 67241), (304, 60163), (323, 56624), (646, 28312), (1292, 14156), (2584, 7078), (3539, 5168)]