20181007

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1759}}^1$

素因数の和:1926

約数の個数: 16

約数和(自身を含む): 25344000

約数和(自身を除く): 5162993

約数列:

[1, 7, 11, 77, 149, 1043, 1639, 1759, 11473, 12313, 19349, 135443, 262091, 1834637, 2883001, 20181007]

約数ペア:

[(1, 20181007), (7, 2883001), (11, 1834637), (77, 262091), (149, 135443), (1043, 19349), (1639, 12313), (1759, 11473)]