18801260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49477}}^1$

素因数の和:49505

約数の個数: 24

約数和(自身を含む): 41561520

約数和(自身を除く): 22760260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49477, 98954, 197908, 247385, 494770, 940063, 989540, 1880126, 3760252, 4700315, 9400630, 18801260]

約数ペア:

[(1, 18801260), (2, 9400630), (4, 4700315), (5, 3760252), (10, 1880126), (19, 989540), (20, 940063), (38, 494770), (76, 247385), (95, 197908), (190, 98954), (380, 49477)]