19420850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20443}}^1$

素因数の和:20474

約数の個数: 24

約数和(自身を含む): 38025840

約数和(自身を除く): 18604990

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 20443, 40886, 102215, 204430, 388417, 511075, 776834, 1022150, 1942085, 3884170, 9710425, 19420850]

約数ペア:

[(1, 19420850), (2, 9710425), (5, 3884170), (10, 1942085), (19, 1022150), (25, 776834), (38, 511075), (50, 388417), (95, 204430), (190, 102215), (475, 40886), (950, 20443)]