18378272

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 21538528

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 109, 176, 218, 352, 436, 479, 872, 958, 1199, 1744, 1916, 2398, 3488, 3832, 4796, 5269, 7664, 9592, 10538, 15328, 19184, 21076, 38368, 42152, 52211, 84304, 104422, 168608, 208844, 417688, 574321, 835376, 1148642, 1670752, 2297284, 4594568, 9189136, 18378272]

約数ペア:

[(1, 18378272), (2, 9189136), (4, 4594568), (8, 2297284), (11, 1670752), (16, 1148642), (22, 835376), (32, 574321), (44, 417688), (88, 208844), (109, 168608), (176, 104422), (218, 84304), (352, 52211), (436, 42152), (479, 38368), (872, 21076), (958, 19184), (1199, 15328), (1744, 10538), (1916, 9592), (2398, 7664), (3488, 5269), (3832, 4796)]