19966842

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1481}}^1$

素因数の和:1603

約数の個数: 48

約数和(自身を含む): 49937472

約数和(自身を除く): 29970630

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 107, 126, 214, 321, 642, 749, 963, 1481, 1498, 1926, 2247, 2962, 4443, 4494, 6741, 8886, 10367, 13329, 13482, 20734, 26658, 31101, 62202, 93303, 158467, 186606, 316934, 475401, 950802, 1109269, 1426203, 2218538, 2852406, 3327807, 6655614, 9983421, 19966842]

約数ペア:

[(1, 19966842), (2, 9983421), (3, 6655614), (6, 3327807), (7, 2852406), (9, 2218538), (14, 1426203), (18, 1109269), (21, 950802), (42, 475401), (63, 316934), (107, 186606), (126, 158467), (214, 93303), (321, 62202), (642, 31101), (749, 26658), (963, 20734), (1481, 13482), (1498, 13329), (1926, 10367), (2247, 8886), (2962, 6741), (4443, 4494)]