18310928

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:423

約数の個数: 40

約数和(自身を含む): 36830976

約数和(自身を除く): 18520048

約数列:

[1, 2, 4, 8, 16, 41, 82, 103, 164, 206, 271, 328, 412, 542, 656, 824, 1084, 1648, 2168, 4223, 4336, 8446, 11111, 16892, 22222, 27913, 33784, 44444, 55826, 67568, 88888, 111652, 177776, 223304, 446608, 1144433, 2288866, 4577732, 9155464, 18310928]

約数ペア:

[(1, 18310928), (2, 9155464), (4, 4577732), (8, 2288866), (16, 1144433), (41, 446608), (82, 223304), (103, 177776), (164, 111652), (206, 88888), (271, 67568), (328, 55826), (412, 44444), (542, 33784), (656, 27913), (824, 22222), (1084, 16892), (1648, 11111), (2168, 8446), (4223, 4336)]