18400144

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4007}}^1$

素因数の和:4063

約数の個数: 40

約数和(自身を含む): 41747328

約数和(自身を除く): 23347184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4007, 4592, 8014, 16028, 28049, 32056, 56098, 64112, 112196, 164287, 224392, 328574, 448784, 657148, 1150009, 1314296, 2300018, 2628592, 4600036, 9200072, 18400144]

約数ペア:

[(1, 18400144), (2, 9200072), (4, 4600036), (7, 2628592), (8, 2300018), (14, 1314296), (16, 1150009), (28, 657148), (41, 448784), (56, 328574), (82, 224392), (112, 164287), (164, 112196), (287, 64112), (328, 56098), (574, 32056), (656, 28049), (1148, 16028), (2296, 8014), (4007, 4592)]