201916420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{531359}}^1$

素因数の和:531387

約数の個数: 24

約数和(自身を含む): 446342400

約数和(自身を除く): 244425980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 531359, 1062718, 2125436, 2656795, 5313590, 10095821, 10627180, 20191642, 40383284, 50479105, 100958210, 201916420]

約数ペア:

[(1, 201916420), (2, 100958210), (4, 50479105), (5, 40383284), (10, 20191642), (19, 10627180), (20, 10095821), (38, 5313590), (76, 2656795), (95, 2125436), (190, 1062718), (380, 531359)]