2018202620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{626771}}^1$

素因数の和:626810

約数の個数: 48

約数和(自身を含む): 5054289408

約数和(自身を除く): 3036086788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 626771, 1253542, 2507084, 3133855, 4387397, 6267710, 8774794, 12535420, 14415733, 17549588, 21936985, 28831466, 43873970, 57662932, 72078665, 87747940, 100910131, 144157330, 201820262, 288314660, 403640524, 504550655, 1009101310, 2018202620]

約数ペア:

[(1, 2018202620), (2, 1009101310), (4, 504550655), (5, 403640524), (7, 288314660), (10, 201820262), (14, 144157330), (20, 100910131), (23, 87747940), (28, 72078665), (35, 57662932), (46, 43873970), (70, 28831466), (92, 21936985), (115, 17549588), (140, 14415733), (161, 12535420), (230, 8774794), (322, 6267710), (460, 4387397), (644, 3133855), (805, 2507084), (1610, 1253542), (3220, 626771)]