18328037

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 23869440

約数和(自身を除く): 5541403

約数列:

[1, 7, 13, 31, 73, 89, 91, 217, 403, 511, 623, 949, 1157, 2263, 2759, 2821, 6497, 6643, 8099, 15841, 19313, 29419, 35867, 45479, 84461, 201407, 205933, 251069, 591227, 1409849, 2618291, 18328037]

約数ペア:

[(1, 18328037), (7, 2618291), (13, 1409849), (31, 591227), (73, 251069), (89, 205933), (91, 201407), (217, 84461), (403, 45479), (511, 35867), (623, 29419), (949, 19313), (1157, 15841), (2263, 8099), (2759, 6643), (2821, 6497)]