18802770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{12791}}^1$

素因数の和:12815

約数の個数: 48

約数和(自身を含む): 52498368

約数和(自身を除く): 33695598

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 12791, 25582, 38373, 63955, 76746, 89537, 127910, 179074, 191865, 268611, 383730, 447685, 537222, 626759, 895370, 1253518, 1343055, 1880277, 2686110, 3133795, 3760554, 6267590, 9401385, 18802770]

約数ペア:

[(1, 18802770), (2, 9401385), (3, 6267590), (5, 3760554), (6, 3133795), (7, 2686110), (10, 1880277), (14, 1343055), (15, 1253518), (21, 895370), (30, 626759), (35, 537222), (42, 447685), (49, 383730), (70, 268611), (98, 191865), (105, 179074), (147, 127910), (210, 89537), (245, 76746), (294, 63955), (490, 38373), (735, 25582), (1470, 12791)]