18306321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 9894639

約数列:

[1, 3, 11, 23, 33, 69, 89, 253, 267, 271, 759, 813, 979, 2047, 2937, 2981, 6141, 6233, 8943, 18699, 22517, 24119, 67551, 68563, 72357, 205689, 265309, 554737, 795927, 1664211, 6102107, 18306321]

約数ペア:

[(1, 18306321), (3, 6102107), (11, 1664211), (23, 795927), (33, 554737), (69, 265309), (89, 205689), (253, 72357), (267, 68563), (271, 67551), (759, 24119), (813, 22517), (979, 18699), (2047, 8943), (2937, 6233), (2981, 6141)]