18852820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{433}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 45497088

約数和(自身を除く): 26644268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 433, 622, 866, 1244, 1555, 1732, 2165, 2177, 3031, 3110, 4330, 4354, 6062, 6220, 8660, 8708, 10885, 12124, 15155, 21770, 30310, 43540, 60620, 134663, 269326, 538652, 673315, 942641, 1346630, 1885282, 2693260, 3770564, 4713205, 9426410, 18852820]

約数ペア:

[(1, 18852820), (2, 9426410), (4, 4713205), (5, 3770564), (7, 2693260), (10, 1885282), (14, 1346630), (20, 942641), (28, 673315), (35, 538652), (70, 269326), (140, 134663), (311, 60620), (433, 43540), (622, 30310), (866, 21770), (1244, 15155), (1555, 12124), (1732, 10885), (2165, 8708), (2177, 8660), (3031, 6220), (3110, 6062), (4330, 4354)]