19986786

素因数分解:

$2^1\times 3^2\times {\mathrm{449}}^1\times {\mathrm{2473}}^1$

素因数の和:2930

約数の個数: 24

約数和(自身を含む): 43418700

約数和(自身を除く): 23431914

約数列:

[1, 2, 3, 6, 9, 18, 449, 898, 1347, 2473, 2694, 4041, 4946, 7419, 8082, 14838, 22257, 44514, 1110377, 2220754, 3331131, 6662262, 9993393, 19986786]

約数ペア:

[(1, 19986786), (2, 9993393), (3, 6662262), (6, 3331131), (9, 2220754), (18, 1110377), (449, 44514), (898, 22257), (1347, 14838), (2473, 8082), (2694, 7419), (4041, 4946)]