18977392

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 26019728

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 53, 56, 92, 106, 112, 139, 161, 184, 212, 278, 322, 368, 371, 424, 556, 644, 742, 848, 973, 1112, 1219, 1288, 1484, 1946, 2224, 2438, 2576, 2968, 3197, 3892, 4876, 5936, 6394, 7367, 7784, 8533, 9752, 12788, 14734, 15568, 17066, 19504, 22379, 25576, 29468, 34132, 44758, 51152, 51569, 58936, 68264, 89516, 103138, 117872, 136528, 169441, 179032, 206276, 338882, 358064, 412552, 677764, 825104, 1186087, 1355528, 2372174, 2711056, 4744348, 9488696, 18977392]

約数ペア:

[(1, 18977392), (2, 9488696), (4, 4744348), (7, 2711056), (8, 2372174), (14, 1355528), (16, 1186087), (23, 825104), (28, 677764), (46, 412552), (53, 358064), (56, 338882), (92, 206276), (106, 179032), (112, 169441), (139, 136528), (161, 117872), (184, 103138), (212, 89516), (278, 68264), (322, 58936), (368, 51569), (371, 51152), (424, 44758), (556, 34132), (644, 29468), (742, 25576), (848, 22379), (973, 19504), (1112, 17066), (1219, 15568), (1288, 14734), (1484, 12788), (1946, 9752), (2224, 8533), (2438, 7784), (2576, 7367), (2968, 6394), (3197, 5936), (3892, 4876)]