18933415

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 23207040

約数和(自身を除く): 4273625

約数列:

[1, 5, 89, 157, 271, 445, 785, 1355, 13973, 24119, 42547, 69865, 120595, 212735, 3786683, 18933415]

約数ペア:

[(1, 18933415), (5, 3786683), (89, 212735), (157, 120595), (271, 69865), (445, 42547), (785, 24119), (1355, 13973)]