191939900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101021}}^1$

素因数の和:101054

約数の個数: 36

約数和(自身を含む): 438435480

約数和(自身を除く): 246495580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 101021, 202042, 404084, 505105, 1010210, 1919399, 2020420, 2525525, 3838798, 5051050, 7677596, 9596995, 10102100, 19193990, 38387980, 47984975, 95969950, 191939900]

約数ペア:

[(1, 191939900), (2, 95969950), (4, 47984975), (5, 38387980), (10, 19193990), (19, 10102100), (20, 9596995), (25, 7677596), (38, 5051050), (50, 3838798), (76, 2525525), (95, 2020420), (100, 1919399), (190, 1010210), (380, 505105), (475, 404084), (950, 202042), (1900, 101021)]