1939900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1054

約数の個数: 36

約数和(自身を含む): 4435480

約数和(自身を除く): 2495580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1021, 1900, 2042, 4084, 5105, 10210, 19399, 20420, 25525, 38798, 51050, 77596, 96995, 102100, 193990, 387980, 484975, 969950, 1939900]

約数ペア:

[(1, 1939900), (2, 969950), (4, 484975), (5, 387980), (10, 193990), (19, 102100), (20, 96995), (25, 77596), (38, 51050), (50, 38798), (76, 25525), (95, 20420), (100, 19399), (190, 10210), (380, 5105), (475, 4084), (950, 2042), (1021, 1900)]