19087719

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 31113216

約数和(自身を除く): 12025497

約数列:

[1, 3, 7, 17, 21, 51, 119, 127, 357, 381, 421, 889, 1263, 2159, 2667, 2947, 6477, 7157, 8841, 15113, 21471, 45339, 50099, 53467, 150297, 160401, 374269, 908939, 1122807, 2726817, 6362573, 19087719]

約数ペア:

[(1, 19087719), (3, 6362573), (7, 2726817), (17, 1122807), (21, 908939), (51, 374269), (119, 160401), (127, 150297), (357, 53467), (381, 50099), (421, 45339), (889, 21471), (1263, 15113), (2159, 8841), (2667, 7157), (2947, 6477)]