19779438

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{1373}}^1$

素因数の和:1406

約数の個数: 40

約数和(自身を含む): 46182888

約数和(自身を除く): 26403450

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 1373, 2058, 2401, 2746, 4119, 4802, 7203, 8238, 9611, 14406, 19222, 28833, 57666, 67277, 134554, 201831, 403662, 470939, 941878, 1412817, 2825634, 3296573, 6593146, 9889719, 19779438]

約数ペア:

[(1, 19779438), (2, 9889719), (3, 6593146), (6, 3296573), (7, 2825634), (14, 1412817), (21, 941878), (42, 470939), (49, 403662), (98, 201831), (147, 134554), (294, 67277), (343, 57666), (686, 28833), (1029, 19222), (1373, 14406), (2058, 9611), (2401, 8238), (2746, 7203), (4119, 4802)]