18772646

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 31656960

約数和(自身を除く): 12884314

約数列:

[1, 2, 19, 23, 38, 46, 47, 94, 437, 457, 874, 893, 914, 1081, 1786, 2162, 8683, 10511, 17366, 20539, 21022, 21479, 41078, 42958, 199709, 399418, 408101, 494017, 816202, 988034, 9386323, 18772646]

約数ペア:

[(1, 18772646), (2, 9386323), (19, 988034), (23, 816202), (38, 494017), (46, 408101), (47, 399418), (94, 199709), (437, 42958), (457, 41078), (874, 21479), (893, 21022), (914, 20539), (1081, 17366), (1786, 10511), (2162, 8683)]