18542810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12967}}^1$

素因数の和:12998

約数の個数: 32

約数和(自身を含む): 39215232

約数和(自身を除く): 20672422

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 12967, 25934, 64835, 129670, 142637, 168571, 285274, 337142, 713185, 842855, 1426370, 1685710, 1854281, 3708562, 9271405, 18542810]

約数ペア:

[(1, 18542810), (2, 9271405), (5, 3708562), (10, 1854281), (11, 1685710), (13, 1426370), (22, 842855), (26, 713185), (55, 337142), (65, 285274), (110, 168571), (130, 142637), (143, 129670), (286, 64835), (715, 25934), (1430, 12967)]