2018294780

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{205529}}^1$

素因数の和:206029

約数の個数: 24

約数和(自身を含む): 4247071920

約数和(自身を除く): 2228777140

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 205529, 411058, 822116, 1027645, 2055290, 4110580, 100914739, 201829478, 403658956, 504573695, 1009147390, 2018294780]

約数ペア:

[(1, 2018294780), (2, 1009147390), (4, 504573695), (5, 403658956), (10, 201829478), (20, 100914739), (491, 4110580), (982, 2055290), (1964, 1027645), (2455, 822116), (4910, 411058), (9820, 205529)]