18398169

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 27256320

約数和(自身を除く): 8858151

約数列:

[1, 3, 9, 89, 103, 223, 267, 309, 669, 801, 927, 2007, 9167, 19847, 22969, 27501, 59541, 68907, 82503, 178623, 206721, 2044241, 6132723, 18398169]

約数ペア:

[(1, 18398169), (3, 6132723), (9, 2044241), (89, 206721), (103, 178623), (223, 82503), (267, 68907), (309, 59541), (669, 27501), (801, 22969), (927, 19847), (2007, 9167)]