18924290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3511}}^1$

素因数の和:3543

約数の個数: 48

約数和(自身を含む): 43239744

約数和(自身を除く): 24315454

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3511, 5390, 7022, 17555, 24577, 35110, 38621, 49154, 77242, 122885, 172039, 193105, 245770, 270347, 344078, 386210, 540694, 860195, 1351735, 1720390, 1892429, 2703470, 3784858, 9462145, 18924290]

約数ペア:

[(1, 18924290), (2, 9462145), (5, 3784858), (7, 2703470), (10, 1892429), (11, 1720390), (14, 1351735), (22, 860195), (35, 540694), (49, 386210), (55, 344078), (70, 270347), (77, 245770), (98, 193105), (110, 172039), (154, 122885), (245, 77242), (385, 49154), (490, 38621), (539, 35110), (770, 24577), (1078, 17555), (2695, 7022), (3511, 5390)]