18421137

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12713}}^1$

素因数の和:12749

約数の個数: 24

約数和(自身を含む): 31734144

約数和(自身を除く): 13313007

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 12713, 38139, 88991, 114417, 266973, 292399, 800919, 877197, 2046793, 2631591, 6140379, 18421137]

約数ペア:

[(1, 18421137), (3, 6140379), (7, 2631591), (9, 2046793), (21, 877197), (23, 800919), (63, 292399), (69, 266973), (161, 114417), (207, 88991), (483, 38139), (1449, 12713)]