18830052

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 49533120

約数和(自身を除く): 30703068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 71, 106, 139, 142, 159, 212, 213, 278, 284, 318, 417, 426, 477, 556, 636, 639, 834, 852, 954, 1251, 1278, 1668, 1908, 2502, 2556, 3763, 5004, 7367, 7526, 9869, 11289, 14734, 15052, 19738, 22101, 22578, 29468, 29607, 33867, 39476, 44202, 45156, 59214, 66303, 67734, 88404, 88821, 118428, 132606, 135468, 177642, 265212, 355284, 523057, 1046114, 1569171, 2092228, 3138342, 4707513, 6276684, 9415026, 18830052]

約数ペア:

[(1, 18830052), (2, 9415026), (3, 6276684), (4, 4707513), (6, 3138342), (9, 2092228), (12, 1569171), (18, 1046114), (36, 523057), (53, 355284), (71, 265212), (106, 177642), (139, 135468), (142, 132606), (159, 118428), (212, 88821), (213, 88404), (278, 67734), (284, 66303), (318, 59214), (417, 45156), (426, 44202), (477, 39476), (556, 33867), (636, 29607), (639, 29468), (834, 22578), (852, 22101), (954, 19738), (1251, 15052), (1278, 14734), (1668, 11289), (1908, 9869), (2502, 7526), (2556, 7367), (3763, 5004)]