18891063

素因数分解:

$3^5\times {\mathrm{17}}^2\times {\mathrm{269}}^1$

素因数の和:318

約数の個数: 36

約数和(自身を含む): 30171960

約数和(自身を除く): 11280897

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 269, 289, 459, 807, 867, 1377, 2421, 2601, 4131, 4573, 7263, 7803, 13719, 21789, 23409, 41157, 65367, 70227, 77741, 123471, 233223, 370413, 699669, 1111239, 2099007, 6297021, 18891063]

約数ペア:

[(1, 18891063), (3, 6297021), (9, 2099007), (17, 1111239), (27, 699669), (51, 370413), (81, 233223), (153, 123471), (243, 77741), (269, 70227), (289, 65367), (459, 41157), (807, 23409), (867, 21789), (1377, 13719), (2421, 7803), (2601, 7263), (4131, 4573)]