18996860

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4973}}^1$

素因数の和:5173

約数の個数: 24

約数和(自身を含む): 40110336

約数和(自身を除く): 21113476

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 4973, 9946, 19892, 24865, 49730, 99460, 949843, 1899686, 3799372, 4749215, 9498430, 18996860]

約数ペア:

[(1, 18996860), (2, 9498430), (4, 4749215), (5, 3799372), (10, 1899686), (20, 949843), (191, 99460), (382, 49730), (764, 24865), (955, 19892), (1910, 9946), (3820, 4973)]