18852813

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 15292467

約数列:

[1, 3, 7, 9, 17, 21, 29, 51, 63, 87, 119, 153, 203, 261, 357, 493, 607, 609, 1071, 1479, 1821, 1827, 3451, 4249, 4437, 5463, 10319, 10353, 12747, 17603, 30957, 31059, 38241, 52809, 72233, 92871, 123221, 158427, 216699, 299251, 369663, 650097, 897753, 1108989, 2094757, 2693259, 6284271, 18852813]

約数ペア:

[(1, 18852813), (3, 6284271), (7, 2693259), (9, 2094757), (17, 1108989), (21, 897753), (29, 650097), (51, 369663), (63, 299251), (87, 216699), (119, 158427), (153, 123221), (203, 92871), (261, 72233), (357, 52809), (493, 38241), (607, 31059), (609, 30957), (1071, 17603), (1479, 12747), (1821, 10353), (1827, 10319), (3451, 5463), (4249, 4437)]