2018640790

素因数分解:

$2^1\times 5^1\times {\mathrm{21269}}^1\times {\mathrm{9491}}^1$

素因数の和:30767

約数の個数: 16

約数和(自身を含む): 3634107120

約数和(自身を除く): 1615466330

約数列:

[1, 2, 5, 10, 9491, 18982, 21269, 42538, 47455, 94910, 106345, 212690, 201864079, 403728158, 1009320395, 2018640790]

約数ペア:

[(1, 2018640790), (2, 1009320395), (5, 403728158), (10, 201864079), (9491, 212690), (18982, 106345), (21269, 94910), (42538, 47455)]