18887190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89939}}^1$

素因数の和:89956

約数の個数: 32

約数和(自身を含む): 51805440

約数和(自身を除く): 32918250

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 89939, 179878, 269817, 449695, 539634, 629573, 899390, 1259146, 1349085, 1888719, 2698170, 3147865, 3777438, 6295730, 9443595, 18887190]

約数ペア:

[(1, 18887190), (2, 9443595), (3, 6295730), (5, 3777438), (6, 3147865), (7, 2698170), (10, 1888719), (14, 1349085), (15, 1259146), (21, 899390), (30, 629573), (35, 539634), (42, 449695), (70, 269817), (105, 179878), (210, 89939)]