18016893

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 26732160

約数和(自身を除く): 8715267

約数列:

[1, 3, 9, 83, 89, 249, 267, 271, 747, 801, 813, 2439, 7387, 22161, 22493, 24119, 66483, 67479, 72357, 202437, 217071, 2001877, 6005631, 18016893]

約数ペア:

[(1, 18016893), (3, 6005631), (9, 2001877), (83, 217071), (89, 202437), (249, 72357), (267, 67479), (271, 66483), (747, 24119), (801, 22493), (813, 22161), (2439, 7387)]