18668583

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 29427200

約数和(自身を除く): 10758617

約数列:

[1, 3, 9, 19, 27, 57, 151, 171, 241, 453, 513, 723, 1359, 2169, 2869, 4077, 4579, 6507, 8607, 13737, 25821, 36391, 41211, 77463, 109173, 123633, 327519, 691429, 982557, 2074287, 6222861, 18668583]

約数ペア:

[(1, 18668583), (3, 6222861), (9, 2074287), (19, 982557), (27, 691429), (57, 327519), (151, 123633), (171, 109173), (241, 77463), (453, 41211), (513, 36391), (723, 25821), (1359, 13737), (2169, 8607), (2869, 6507), (4077, 4579)]