18332220890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20598001}}^1$

素因数の和:20598097

約数の個数: 16

約数和(自身を含む): 33368763240

約数和(自身を除く): 15036542350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 20598001, 41196002, 102990005, 205980010, 1833222089, 3666444178, 9166110445, 18332220890]

約数ペア:

[(1, 18332220890), (2, 9166110445), (5, 3666444178), (10, 1833222089), (89, 205980010), (178, 102990005), (445, 41196002), (890, 20598001)]