18440748

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{3739}}^1$

素因数の和:3886

約数の個数: 36

約数和(自身を含む): 46966920

約数和(自身を除く): 28526172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 3739, 4932, 7478, 11217, 14956, 22434, 33651, 44868, 67302, 134604, 512243, 1024486, 1536729, 2048972, 3073458, 4610187, 6146916, 9220374, 18440748]

約数ペア:

[(1, 18440748), (2, 9220374), (3, 6146916), (4, 4610187), (6, 3073458), (9, 2048972), (12, 1536729), (18, 1024486), (36, 512243), (137, 134604), (274, 67302), (411, 44868), (548, 33651), (822, 22434), (1233, 14956), (1644, 11217), (2466, 7478), (3739, 4932)]