18256473

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{443}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 27936480

約数和(自身を除く): 9680007

約数列:

[1, 3, 9, 19, 57, 171, 241, 443, 723, 1329, 2169, 3987, 4579, 8417, 13737, 25251, 41211, 75753, 106763, 320289, 960867, 2028497, 6085491, 18256473]

約数ペア:

[(1, 18256473), (3, 6085491), (9, 2028497), (19, 960867), (57, 320289), (171, 106763), (241, 75753), (443, 41211), (723, 25251), (1329, 13737), (2169, 8417), (3987, 4579)]