18942770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 43220736

約数和(自身を除く): 24277966

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 73, 77, 110, 146, 154, 337, 365, 385, 511, 674, 730, 770, 803, 1022, 1606, 1685, 2359, 2555, 3370, 3707, 4015, 4718, 5110, 5621, 7414, 8030, 11242, 11795, 18535, 23590, 24601, 25949, 28105, 37070, 49202, 51898, 56210, 123005, 129745, 172207, 246010, 259490, 270611, 344414, 541222, 861035, 1353055, 1722070, 1894277, 2706110, 3788554, 9471385, 18942770]

約数ペア:

[(1, 18942770), (2, 9471385), (5, 3788554), (7, 2706110), (10, 1894277), (11, 1722070), (14, 1353055), (22, 861035), (35, 541222), (55, 344414), (70, 270611), (73, 259490), (77, 246010), (110, 172207), (146, 129745), (154, 123005), (337, 56210), (365, 51898), (385, 49202), (511, 37070), (674, 28105), (730, 25949), (770, 24601), (803, 23590), (1022, 18535), (1606, 11795), (1685, 11242), (2359, 8030), (2555, 7414), (3370, 5621), (3707, 5110), (4015, 4718)]