18618726

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 25733274

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 83, 98, 109, 147, 166, 218, 249, 294, 327, 343, 498, 581, 654, 686, 763, 1029, 1162, 1526, 1743, 2058, 2289, 3486, 4067, 4578, 5341, 8134, 9047, 10682, 12201, 16023, 18094, 24402, 27141, 28469, 32046, 37387, 54282, 56938, 63329, 74774, 85407, 112161, 126658, 170814, 189987, 224322, 379974, 443303, 886606, 1329909, 2659818, 3103121, 6206242, 9309363, 18618726]

約数ペア:

[(1, 18618726), (2, 9309363), (3, 6206242), (6, 3103121), (7, 2659818), (14, 1329909), (21, 886606), (42, 443303), (49, 379974), (83, 224322), (98, 189987), (109, 170814), (147, 126658), (166, 112161), (218, 85407), (249, 74774), (294, 63329), (327, 56938), (343, 54282), (498, 37387), (581, 32046), (654, 28469), (686, 27141), (763, 24402), (1029, 18094), (1162, 16023), (1526, 12201), (1743, 10682), (2058, 9047), (2289, 8134), (3486, 5341), (4067, 4578)]