18227937

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2903}}^1$

素因数の和:2949

約数の個数: 32

約数和(自身を含む): 31223808

約数和(自身を除く): 12995871

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 2903, 6279, 8709, 20321, 37739, 60963, 66769, 113217, 200307, 264173, 467383, 792519, 867997, 1402149, 2603991, 6075979, 18227937]

約数ペア:

[(1, 18227937), (3, 6075979), (7, 2603991), (13, 1402149), (21, 867997), (23, 792519), (39, 467383), (69, 264173), (91, 200307), (161, 113217), (273, 66769), (299, 60963), (483, 37739), (897, 20321), (2093, 8709), (2903, 6279)]